Questions and answers
Operating systems and networks - Set 1
All questions and answers from this set. Test your networks and operating systems knowledge.
Questions: 124
Played: 3803 times
Question 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
Question 62
Which two tasks are functions of the presentation layer? (Choose two.)
compression
encryption
Question 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.
Question 64
What is a key characteristic of the peer-to-peer networking model?
resource sharing without a dedicated server
Question 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
Question 66
Which domain name would be an example of a top-level domain?
.com
Question 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.
Question 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
Question 69
A wireless host needs to request an IP address. What protocol would be used to process the request?
DHCP
Question 70
Which example of malicious code would be classified as a Trojan horse?
malware that was written to look like a video game
Question 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*
Question 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
Question 73
Where are Cisco IOS debug output messages sent by default?
console line
Question 74
Match the description with the associated IOS mode. (not all options are used.)
pytanie 74
Question 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