Pytania i odpowiedzi
neverminder
Zebrane pytania i odpowiedzi do zestawu.
Ilość pytań: 124
Rozwiązywany: 4336 razy
Pytanie 61
What are two ways that TCP uses the sequence numbers in a segment? (Choose two.)
to identify missing segments at the destination
to reassemble the segments at the remote location
Pytanie 62
Which two tasks are functions of the presentation layer? (Choose two.)
compression
encryption
Pytanie 63
Which three statements characterize UDP? (Choose three.)
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.
Pytanie 64
What is a key characteristic of the peer-to-peer networking model?
resource sharing without a dedicated server
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?
nslookup
Pytanie 66
Which domain name would be an example of a top-level domain?
.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 address is returned to the pool for reuse when the lease expires.
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
Pytanie 69
A wireless host needs to request an IP address. What protocol would be used to process the request?
DHCP
Pytanie 70
Which example of malicious code would be classified as a Trojan horse?
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?
login block-for 60 attempts 5 within 60*
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
Pytanie 73
Where are Cisco IOS debug output messages sent by default?
console line
Pytanie 74
Match the description with the associated IOS mode. (not all options are used.)
pytanie 74
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 75
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 76
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
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?
wan
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?
DSL
Pytanie 80
How does quality of service help a network support a wide range of applications and services?
by providing mechanisms to manage congested network traffic