Pytania i odpowiedzi
neverminder
Zebrane pytania i odpowiedzi do zestawu.
Ilość pytań: 124
Rozwiązywany: 2785 razy
Pytanie 21
What is a characteristic of the LLC sublayer?
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?
partial mesh
Pytanie 23
What method is used to manage contention-based access on a wireless network?
CSMA/CA
Pytanie 24
What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.)
data link layer addressing
detection of errors through CRC calculations
delimiting groups of bits into frames
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 discard the frame
Pytanie 26
What are two examples of the cut-through switching method? (Choose two.)
fast-forward switching
fragment-free 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
Pytanie 28
Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame?
store-and-forward 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 29
Pytanie 30
What addresses are mapped by ARP?
destination MAC address to a destination IPv4 address
Pytanie 31
What information is added during encapsulation at OSI Layer 3?
source and destination IP address
Pytanie 32
What are two services provided by the OSI network layer? (Choose two.)
encapsulating PDUs from the transport layer
routing packets toward the destination
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 33
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
Pytanie 35
What are two functions of NVRAM? (Choose two.)
to retain contents when power is removed
to store the startup configuration file
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 36
Pytanie 37
What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?
203.0.113.211
Pytanie 38
What are three characteristics of multicast transmission? (Choose three.)
A single packet can be sent to a group of hosts.
Multicast transmission can be used by routers to exchange routing information.
Routers will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255
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
192.168.0.0/16
Pytanie 40
What purpose does NAT64 serve in IPv6?
It converts IPv6 packets into IPv4 packets.