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Pytanie 1
What is a characteristic of a fault tolerant network?
a network that can expand quickly to support new users and applications without impacting the performance of the service delivered to existing users
a network that protects confidential information from unauthorized access
a network that recovers quickly when a failure occurs and depends on redundancy to limit the impact of a failure
a network that supports a mechanism for managing congestion and ensuring reliable delivery of content to all users
Pytanie 2
three bank employees are using the corporate network. The first employee uses a web browser to view a company web page in order to read some announcements. The second employee accesses the corporate database to perform some financial transactions. The third employee participates in an important live audio conference with other corporate managers in branch offices. If QoS is implemented on this network, what will be the priorities from highest to lowest of the different data types?
financial transactions, web page, audio conference
audio conference, financial transactions, web page
Pytanie 3
What is a benefit of using cloud computing in networking?
End users have the freedom to use personal tools to access information and communicate across a business network
Technology is integrated into every-day appliances allowing them to interconnect with other devices, making them more ‘smart’ or automated.
Network capabilities are extended without requiring investment in new infrastructure, personnel, or software
Pytanie 4
What is the function of the shell in an OS
It provides dedicated firewall services
It provides the intrusion protection services for the device
It interfaces between the users and the kernel
Pytanie 5
Which connection provides a secure CLI session with encryption to a Cisco switch?
a console connection
a Telnet connection
an SSH connection
Pytanie 6
A network technician is attempting to configure an interface by entering the following command: SanJose(config)# ip address 192.168.2.1 255.255.255.0. The command is rejected by the device. What is the reason for this?
The interface is shutdown and must be enabled before the switch will accept the IP address
The command syntax is wrong
The command is being entered from the wrong mode of operation
Pytanie 7
An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes
to interrupt the ping process
to exit to a different configuration mode
to allow the user to complete the command
to restart the ping proces
Pytanie 8
Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses a console connection to connect to the switch, which password is needed to access user EXEC mode?
Pytanie 9
On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?
vty 0
VLAN 1
console 0
FastEthernet0/1
Pytanie 10
What protocol is responsible for controlling the size of segments and the rate at which segments are exchanged between a web client and a web server?
TCP
HTTP
Ethernet
IP
Pytanie 11
What is an advantage to using a protocol that is defined by an open standard?
The protocol can only be run on equipment from a specific vendor.
An open standard protocol is not controlled or regulated by standards organizations.
It encourages competition and promotes choices
A company can monopolize the market.
Pytanie 12
What are two benefits of using a layered network model? (Choose two.)
It speeds up packet delivery.
It prevents designers from creating their own model.
It prevents technology in one layer from affecting other layers.
It ensures a device at one layer can function at the next higher layer
It assists in protocol design.
Pytanie 13
Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)
data link
transport
session
physical
network
Pytanie 14
Which name is assigned to the transport layer PDU?
segment
bits
frame
Pytanie 15
A network engineer is measuring the transfer of bits across the company backbone for a mission critical database application. The engineer notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)
the amount of traffic that is currently crossing the network*
the type of traffic that is crossing the network
the reliability of the gigabit Ethernet infrastructure of the backbone
the latency that is created by the number of network devices that the data is crossing
the sophistication of the encapsulation method applied to the data
the bandwidth of the WAN connection to the Internet
Pytanie 16
A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?
network layer
physical layer
data link layer
presentation layer
Pytanie 17
Which type of UTP cable is used to connect a PC to a switch port?
straight-through
crossover
Pytanie 18
A network administrator is measuring the transfer of bits across the company backbone for a mission critical financial application. The administrator notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)
Pytanie 19
What is a characteristic of UTP cabling?
woven copper braid or metallic foil
cancellation
immunity to electrical hazards
cladding
Pytanie 20
What are two characteristics of fiber-optic cable? (Choose two.)
It is not affected by EMI or RFI.
It combines the technique of cancellation, shielding, and twisting to protect data.
Each pair of cables is wrapped in metallic foil.
It is more expensive than UTP cabling is.
Pytanie 21
What is a characteristic of the LLC sublayer?
It provides the logical addressing required that identifies the device.
It provides delimitation of data according to the physical signaling requirements of the medium.
It places information in the frame allowing multiple Layer 3 protocols to use the same network interface and media.
Pytanie 22
A network team is comparing physical WAN topologies for connecting remote sites to a headquarters building. Which topology provides high availability and connects some, but not all, remote sites?
hub and spoke
partial mesh
point-to-point
mesh
Pytanie 23
What method is used to manage contention-based access on a wireless network?
CSMA/CA
priority ordering
CSMA/CD
Pytanie 24
What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.)
conversion of bits into data signals
delimiting groups of bits into frames
error correction through a collision detection method
placement and removal of frames from the media
data link layer addressing
detection of errors through CRC calculations
session control using port numbers
Pytanie 25
What will a host on an Ethernet network do if it receives a frame with a destination MAC address that does not match its own MAC address?
It will strip off the data-link frame to check the destination IP address.
It will forward the frame to the next host.
It will discard the frame
It will remove the frame from the media
Pytanie 26
What are two examples of the cut-through switching method? (Choose two.)
store-and-forward switching
fragment-free switching
fast-forward switching
CRC switching
QOS switching
Pytanie 27
What are two actions performed by a Cisco switch? (Choose two.)
using the source MAC addresses of frames to build and maintain a MAC address table
utilizing the MAC address table to forward frames via the destination MAC address
examining the destination MAC address to add new entries to the MAC address table
forwarding frames with unknown destination IP addresses to the default gateway
building a routing table that is based on the first IP address in the frame header
Pytanie 28
Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame?
fast-forward switching
fragment-free switching
store-and-forward switching
cut-through switching
Pytanie 29
Refer to the exhibit. If host A sends an IP packet to host B, what will the destination address be in the frame when it leaves host A?
Pytanie 30
What addresses are mapped by ARP?
destination MAC address to a destination IPv4 address
destination IPv4 address to the source MAC address
destination IPv4 address to the destination host name
Pytanie 31
What information is added during encapsulation at OSI Layer 3?
source and destination MAC
source and destination IP address
source and destination application protocol
Pytanie 32
What are two services provided by the OSI network layer? (Choose two.)
routing packets toward the destination
collision detection
performing error detection
encapsulating PDUs from the transport layer
Pytanie 33
Refer to the exhibit. The network administrator for a small advertising company has chosen to use the 192.168.5.96/27 network for internal LAN addressing. As shown in the exhibit, a static IP address is assigned to the company web server. However, the web server cannot access the Internet. The administrator verifies that local workstations with IP addresses that are assigned by a DHCP server can access the Internet, and the web server is able to ping local workstations. Which component is incorrectly configured?
Pytanie 34
Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask?
to identify the network address of the destination network
to identify the broadcast address of the destination network
to identify faulty frames
Pytanie 35
What are two functions of NVRAM? (Choose two.)
to contain the running configuration file
to store the ARP table
to store the routing table
to store the startup configuration file
to retain contents when power is removed
Pytanie 36
Refer to the exhibit. What will be the result of entering this configuration the next time a network administrator connects a console cable to the router and no additional commands have been entered?
Pytanie 37
What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?
192.0.2.199
198.51.100.201
209.165.201.223
203.0.113.211
Pytanie 38
What are three characteristics of multicast transmission? (Choose three.)
Routers will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255
A single packet can be sent to a group of hosts.
Computers use multicast transmission to request IPv4 addresses.
Multicast messages map lower layer addresses to upper layer addresses.
The source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255.
Multicast transmission can be used by routers to exchange routing information.
Pytanie 39
What are the three ranges of IP addresses that are reserved for internal private use? (Choose three.)
10.0.0.0/8
172.16.0.0/12
64.100.0.0/14
127.16.0.0/12
192.31.7.0/24
192.168.0.0/16
Pytanie 40
What purpose does NAT64 serve in IPv6?
It enables companies to use IPv6 unique local addresses in the network
It converts the 48-bit MAC address into a 64-bit host address that can be used for automatic host addressing.
It converts IPv6 packets into IPv4 packets.
Pytanie 41
What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001?
2001:0:0:abcd::1
2001:0:abcd::1
Pytanie 42
Which range of link-local addresses can be assigned to an IPv6-enabled interface?
FE80::/10
FF00::/8
Pytanie 43
Which three addresses are valid public addresses? (Choose three.)
10.15.250.5
64.104.78.227
128.107.12.117
198.133.219.17
192.168.1.245
Pytanie 44
Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.)
Pytanie 45
What type of IPv6 address is FE80::1?
link-local
loopback
multicast
Pytanie 46
How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?
64
62
128
Pytanie 47
A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits?
255.255.255.0
255.255.255.128
Pytanie 48
A network administrator wants to have the same subnet mask for three subnetworks at a small site. The site has the following networks and numbers of devices: Subnetwork A: IP phones – 10 addresses Subnetwork B: PCs – 8 addresses Subnetwork C: Printers – 2 addresses What single subnet mask would be appropriate to use for the three subnetworks?
255.255.255.0
255.255.255.248
255.255.255.240
Pytanie 49
How many hosts are addressable on a network that has a mask of 255.255.255.248?
6
8
2
14
Pytanie 50
Which subnet would include the address 192.168.1.96 as a usable host address?
192.168.1.32/28
192.168.1.32/27
192.168.1.64/26
Pytanie 51
What subnet mask is needed if an IPv4 network has 40 devices that need IP addresses and address space is not to be wasted?
255.255.255.128
255.255.255.0
255.255.255.192
Pytanie 52
What are two characteristics shared by TCP and UDP? (Choose two.)
ability to to carry digitized voice
3-way handshake
connectionless communication
use of checksum
port numbering
default window size
Pytanie 53
Why are port numbers included in the TCP header of a segment?
to enable a receiving host to forward the data to the appropriate application
to determine which Layer 3 protocol should be used to encapsulate the data
to allow the receiving host to assemble the packet in the proper order
to indicate the correct router interface that should be used to forward a segment
Pytanie 54
Refer to the exhibit. Consider the IP address of 192.168.10.0/24 that has been assigned to a high school building. The largest network in this building has 100 devices. If 192.168.10.0 is the network number for the largest network, what would be the network number for the next largest network, which has 40 devices?
Pytanie 55
Which statement is true about variable-length subnet masking?
The size of each subnet may be different, depending on requirements.
Subnets may only be subnetted one additional time.
Each subnet is the same size.
Bits are returned, rather than borrowed, to create additional subnets.
Pytanie 56
In what two situations would UDP be the preferred transport protocol over TCP? (Choose two.)
when applications need to guarantee that a packet arrives intact, in sequence, and unduplicated
when a faster delivery mechanism is needed
when applications do not need to guarantee delivery of the data
when destination port numbers are dynamic
when delivery overhead is not an issue
Pytanie 57
destination and source physical addresses
destination and source port numbers
timing and synchronization
destination and source logical network addresses
Pytanie 58
What is the TCP mechanism used in congestion avoidance?
three-way handshake
sliding window
socket pair
Pytanie 59
Which scenario describes a function provided by the transport layer?
A student is using a classroom VoIP phone to call home. The unique identifier burned into the phone is a transport layer address used to contact another network device on the same network.
A corporate worker is accessing a web server located on a corporate network. The transport layer formats the screen so the web page appears properly no matter what device is being used to view the web site.
A student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window
A student is playing a short web-based movie with sound. The movie and sound are encoded within the transport layer header.
Pytanie 60
A user opens three browsers on the same PC to access www.cisco.com to search for certification course information. The Cisco web server sends a datagram as a reply to the request from one of the web browsers. Which information is used by the TCP/IP protocol stack in the PC to identify which of the three web browsers should receive the reply?
the destination port number
the source IP address
the source port numbers
the destination IP address
Pytanie 61
What are two ways that TCP uses the sequence numbers in a segment? (Choose two.)
to determine if the packet changed during transit
to identify missing segments at the destination
to limit the number of segments that can be sent out of an interface at one time
to reassemble the segments at the remote location
Pytanie 62
Which two tasks are functions of the presentation layer? (Choose two.)
encryption
compression
authentication
session control
addressing
Pytanie 63
Which three statements characterize UDP? (Choose three.)
UDP provides sophisticated flow control mechanisms.
UDP provides basic connectionless transport layer functions.
UDP relies on application layer protocols for error detection.
UDP is a low overhead protocol that does not provide sequencing or flow control mechanisms.
UDP provides connection-oriented, fast transport of data at Layer 3.
Pytanie 64
What is a key characteristic of the peer-to-peer networking model?
network printing using a print server
social networking without the Internet
resource sharing without a dedicated server
wireless networking
Pytanie 65
A technician can ping the IP address of the web server of a remote company but cannot successfully ping the URL address of the same web server. Which software utility can the technician use to diagnose the problem?
tracert
netstat
nslookup
ipconfig
Pytanie 66
Which domain name would be an example of a top-level domain?
.com
cisco.com
Pytanie 67
A PC obtains its IP address from a DHCP server. If the PC is taken off the network for repair, what happens to the IP address configuration?
The configuration is permanent and nothing changes.
The address is returned to the pool for reuse when the lease expires.
The configuration is held by the server to be reissued when the PC is returned.
Pytanie 68
When planning for network growth, where in the network should packet captures take place to assess network traffic?
on as many different network segments as possible
only on the busiest network segment
between hosts and the default gateway
Pytanie 69
A wireless host needs to request an IP address. What protocol would be used to process the request?
HTTP
ICMP
FTP
DHCP
Pytanie 70
Which example of malicious code would be classified as a Trojan horse?
malware that attaches itself to a legitimate program and spreads to other programs when launched
malware that was written to look like a video game
Pytanie 71
When applied to a router, which command would help mitigate brute-force password attacks against the router?
banner motd $Max failed logins = 5$
service password-encryption
login block-for 60 attempts 5 within 60*
exec-timeout 30
Pytanie 72
A network technician suspects that a particular network connection between two Cisco switches is having a duplex mismatch. Which command would the technician use to see the Layer 1 and Layer 2 details of a switch port?
show interfaces
show ip interface brief
show mac-address-table
Pytanie 73
Where are Cisco IOS debug output messages sent by default?
console line
Syslog server
memory buffers
vty lines
Pytanie 74
Match the description with the associated IOS mode. (not all options are used.)
Pytanie 75
Refer to the exhibit. Match the packets with their destination IP address to the exiting interfaces on the router. (Not all targets are used.)
Pytanie 76
Refer to the exhibit. An administrator is testing connectivity to a remote device with the IP address 10.1.1.1. What does the output of this command indicate?
Pytanie 77
A user is unable to reach the web site when typing http://www.cisco.com in a web browser, but can reach the same site by typing http://72.163.4.161. What is the issue?
DNS
default gateway
default gateway
DHCP
Pytanie 78
A company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this requirement?
lan
man
wan
wlan
Pytanie 79
A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?
cable modem
satellite
DSL
cell modem
Pytanie 80
How does quality of service help a network support a wide range of applications and services?
by providing the ability for the network to grow to accommodate new user
by providing mechanisms to manage congested network traffic
by allowing quick recovery from network failures
by limiting the impact of a network failure
Pytanie 81
What source IP address does a router use by default when the traceroute command is issued?
the lowest configured IP address on the router
a loopback IP address
the IP address of the outbound interface
the highest configured IP address on the router
Pytanie 82
After making configuration changes on a Cisco switch, a network administrator issues a copy running-config startup-config command. What is the result of issuing this command?
The current IOS file will be replaced with the newly configured file.
The configuration changes will be removed and the original configuration will be restored.
The new configuration will be loaded if the switch is restarted.
The new configuration will be stored in flash memory.
Pytanie 83
Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator has already logged into a Telnet session on the switch, which password is needed to access privileged EXEC mode?
Pytanie 84
Match each item to the type of topology diagram on which it is typically identified. (Not all options are used.)
Pytanie 85
Which connection provides a secure CLI session with encryption to a Cisco network device?
a SSH connection
a Tellnet connection
a console connection
Pytanie 86
What function does pressing the Tab key have when entering a command in IOS?
It exits configuration mode and returns to user EXEC mode.
It completes the remainder of a partially typed word in a command.
It aborts the current command and returns to configuration mode.
Pytanie 87
What layer is responsible for routing messages through an internetwork in the TCP/IP model?
session
transport
internet
Pytanie 88
Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network? Data is sent from the internet layer to the network access layer. Packets are sent from the network access layer to the transport layer. Segments are sent from the transport layer to the internet layer.* Frames are sent from the network access layer to the internet layer.
Data is sent from the internet layer to the network access layer.
Frames are sent from the network access layer to the internet layer.
Packets are sent from the network access layer to the transport layer.
Segments are sent from the transport layer to the internet layer.
Pytanie 89
What unique address is embedded in an Ethernet NIC and used for communication on an Ethernet network?
IP address
MAC address
network address
host address
Pytanie 90
Which procedure is used to reduce the effect of crosstalk in copper cables?
avoiding sharp bends during installation
requiring proper grounding connections twisting opposing circuit wire pairs together
designing a cable infrastructure to avoid crosstalk interference
wrapping the bundle of wires with metallic shielding
Pytanie 91
During the encapsulation process, what occurs at the data link layer for a PC connected to an Ethernet network?
An IP address is added.
The physical address is added.
The process port number is added.
The logical address is added.
Pytanie 92
What are two characteristics of Ethernet MAC addresses? (Choose two.)
They are globally unique.
MAC addresses must be unique for both Ethernet and serial interfaces on a device.
They are expressed as 12 hexadecimal digits.
MAC addresses use a flexible hierarchical structure.
They are routable on the Internet.
Pytanie 93
If a device receives an Ethernet frame of 60 bytes, what will it do?
add random data bytes to make it 64 bytes long and then forward it
drop the frame
send an error message to the sending device
process the frame as it is
Pytanie 94
Under which two circumstances will a switch flood a frame out of every port except the port that the frame was received on? (Choose two.)
The destination address in the frame is a known unicast address.
The source address in the frame header is the broadcast address.
The frame has the broadcast address as the destination address.
The destination address is unknown to the switch.
The source address in the frame is a multicast address.
Pytanie 95
Which switching method has the lowest level of latency?
store-and-forward
fast-forward
cut-through
fragment-free
Pytanie 96
Which two commands can be used on a Windows host to display the routing table? (Choose two.)
route print
netstat -s
netstat -r
tracert
show ip route
Pytanie 97
Which two functions are primary functions of a router? (Choose two.)
path selection
flow control
microsegmentation
domain name resolution
packet forwarding
Pytanie 98
What is the binary representation of 0xCA?
Pytanie 99
At a minimum, which address is required on IPv6-enabled interfaces?
link-local
site local
global unicast
unique local
Pytanie 100
Which service provides dynamic global IPv6 addressing to end devices without using a server that keeps a record of available IPv6 addresses?
SLAAC
stateful DHCPv6
stateless DHCPv6
Pytanie 101
What is the purpose of the command ping ::1?
It tests the internal configuration of an IPv6 host.
It tests the broadcast capability of all hosts on the subnet.
It tests the reachability of the default gateway for the network.
It tests the multicast connectivity to all hosts on the subnet.
Pytanie 102
How many usable IP addresses are available on the 192.168.1.0/27 network?
16
30
254
Pytanie 103
What is the process of dividing a data stream into smaller pieces before transmission?
segmentation
flow control
encapsulation
encoding
Pytanie 104
When IPv4 addressing is manually configured on a web server, which property of the IPv4 configuration identifies the network and host portion for an IPv4 address?
default gateway
subnet mask
DNS server address
Pytanie 105
Which two roles can a computer assume in a peer-to-peer network where a file is being shared between two computers? (Choose two.)
master
server
slave
client
Pytanie 106
Which two protocols operate at the highest layer of the TCP/IP protocol stack? (Choose two.)
DNS
UDP
TCP
Ethernet
POP
IP
Pytanie 107
What is one difference between the client-server and peer-to-peer network models?
Only in the client-server model can file transfers occur.
A data transfer that uses a device serving in a client role requires that a dedicated server be present.
A peer-to-peer network transfers data faster than a transfer using a client-server network.
Every device in a peer-to-peer network can function as a client or a server
Pytanie 108
What is the function of the HTTP GET message?
to request an HTML page from a web server
to retrieve client email from an email server using TCP port 110
to send error information from a web server to a web client
Pytanie 109
Which networking model is being used when an author uploads one chapter document to a file server of a book publisher?
client/server
master-slave
peer-to-peer
point-to-point
Pytanie 110
What network service resolves the URL entered on a PC to the IP address of the destination server?
ftp
snmp
dns
dhcp
Pytanie 111
A network engineer is analyzing reports from a recently performed network baseline. Which situation would depict a possible latency issue?
a change in the bandwidth according to the show interfaces output
a change in the amount of RAM according to the show version output
a next-hop timeout from a traceroute an increase in host-to-host ping response times
Pytanie 112
Which firewall feature is used to ensure that packets coming into a network are legitimate responses to requests initiated from internal hosts?
application filtering
URL filtering
stateful packet inspection
packet filtering
Pytanie 113
What is one indication that a Windows computer did not receive an IPv4 address from a DHCP server?
The computer receives an IP address that starts with 169.254
The computer cannot ping 127.0.0.1.
The computer cannot ping other devices on the same network with IP addresses in the 169.254.0.0/16 range.
Pytanie 114
Which command can an administrator issue on a Cisco router to send debug messages to the vty lines? terminal monitor* logging console logging buffered logging synchronous
terminal monitor
logging console
logging buffered
Pytanie 115
Fill in the blank. During data communications, a host may need to send a single message to a specific group of destination hosts simultaneously. This message is in the form of a ........ message.
unicast
multicast
broadcast
Pytanie 116
A medium-sized business is researching available options for connecting to the Internet. The company is looking for a high speed option with dedicated, symmetric access. Which connection type should the company choose?
leased line
dialup
satellite
cable modem
DSL
Pytanie 117
What is the purpose of having a converged network?
to make sure that all types of data packets will be treated equally
to achieve fault tolerance and high availability of data network infrastructure devices
to provide high speed connectivity to all end devices
to reduce the cost of deploying and maintaining the communication infrastructure
Pytanie 118
What characteristic of a network enables it to quickly grow to support new users and applications without impacting the performance of the service being delivered to existing users? reliability scalability* quality of service accessibility
accessibility
scalability
reliability
Pytanie 119
After several configuration changes are made to a router, the copy running-configuration startup-configuration command is issued. Where will the changes be stored?
flash
NVRAM
a TFTP server
ROM
the configuration register
Pytanie 120
Refer to the exhibit. From global configuration mode, an administrator is attempting to create a message-of-the-day banner by using the command banner motd V Authorized access only! Violators will be prosecuted! V When users log in using Telnet, the banner does not appear correctly. What is the problem?
Pytanie 121
What are three characteristics of an SVI? (Choose three.)
It is designed as a security protocol to protect switch ports.
It is associated with VLAN1 by default.
It is not associated with any physical interface on a switch.
It is required to allow connectivity by any device at any location.
It provides a means to remotely manage a switch.
It is a special interface that allows connectivity by different types of media.
Pytanie 122
A technician configures a switch with these commands:SwitchA(config)# interface vlan 1 SwitchA(config-if)# ip address 192.168.1.1 255.255.255.0 SwitchA(config-if)# no shutdownWhat is the technician configuring? Telnet access SVI password encryption physical switchport access
Telnet access
password encryption
SVI
physical switchport access
Pytanie 123
In computer communication, what is the purpose of message encoding?
to negotiate correct timing for successful communication
to convert information to the appropriate form for transmission*
to break large messages into smaller frames
Pytanie 124
What is a characteristic of multicast messages?
They are sent to a select group of hosts.
They are sent to a single destination.
They must be acknowledged.