Question 1

Which command will produce statistics about each message transmitted by a host, separated according to protocol type?

Accepted Answer

A)   ipconfig -s
B)   netstat -s
C)   ipstat -a
D)   netstat -an

Question 2

If the VLAN tag is present in an Ethernet frame, what is the maximum frame size?

Accepted Answer

A)   1492 bytes
B)   1500 bytes
C)   1518 bytes
D)   1522 bytes

Question 3

In a TCP segment, what field indicates how many bytes the sender can issue to a receiver before acknowledgment is received?

Accepted Answer

A)   urgent pointer
B)   sliding-window
C)   URG flag
D)   PSH flag

Question 4

You have been tasked with maintaining a network that is jumbo frame enabled. What does this mean?

Accepted Answer

A)   The MTU for the network can be as high as 9198 bytes.
B)   The network is not based on the Ethernet standard.
C)   Fragmented frames will be consolidated into whole frames before being sent.
D)   The MTU for the network is set at 65,535 bytes.

Question 5

TCP uses a four-step process called a four-way handshake to establish a TCP connection.

Accepted Answer

A) True 
 B)False

Question 6

Originally codified by ISO, what does the "intermediate system" in IS-IS (Intermediate System to Intermediate System)  stand for?

Accepted Answer

A)   The autonomous systems used by an organization.
B)   An entire network consisting of various network devices.
C)   The administrative boundaries of an organization.
D)   An IS-IS capable network router.

Question 7

What tcpdump command can be used to filter out all traffic except SSH traffic?

Accepted Answer

A)   tcpdump port 22
B)   tcpdump -p 22
C)   tcpdump only ssh
D)   tcpdump -f +ssh

Question 8

In general, a Layer 3 or Layer 4 switch is still optimized for fast Layer 2 data handling.

Accepted Answer

A) True 
 B)False

Question 9

What routing metric affects a path's potential performance due to delay?

Accepted Answer

A)   theoretical bandwidth
B)   MTU
C)   latency
D)   load

Question 10

What statement regarding the differences between the Windows tracert utility and the Linux/UNIX/macOS traceroute utility is accurate?

Accepted Answer

A)   Only tracert can send UDP messages for tracing a path.
B)   By default, the tracert utility uses ICMP echo requests, while traceroute uses UDP datagrams or TCP SYN messages.
C)   The Windows tracert utility does not place limits on the TTL of repeated trial messages.
D)   The tracert utility expects an ICMP port unreachable error message as the final reply to a trace.

Exam 4: Network Protocols and Routing

In a TCP segment, what field indicates how many bytes the sender can issue to a receiver before acknowledgment is received?

Correct Answer
verified

What routing metric affects a path's potential performance due to delay?

Correct Answer
verified

TCP uses a four-step process called a four-way handshake to establish a TCP connection.

Correct Answer
verified

You have been tasked with maintaining a network that is jumbo frame enabled. What does this mean?

Correct Answer
verified

Which command will produce statistics about each message transmitted by a host, separated according to protocol type?

Correct Answer
verified

What statement regarding the differences between the Windows tracert utility and the Linux/UNIX/macOS traceroute utility is accurate?

Correct Answer
verified

If the VLAN tag is present in an Ethernet frame, what is the maximum frame size?

Correct Answer
verified

In general, a Layer 3 or Layer 4 switch is still optimized for fast Layer 2 data handling.

Correct Answer
verified

What tcpdump command can be used to filter out all traffic except SSH traffic?

Correct Answer
verified

Originally codified by ISO, what does the "intermediate system" in IS-IS (Intermediate System to Intermediate System) stand for?

Correct Answer
verified

Exam 4: Network Protocols and Routing

In a TCP segment, what field indicates how many bytes the sender can issue to a receiver before acknowledgment is received?

Correct AnswerverifiedShow Answer

What routing metric affects a path's potential performance due to delay?

Correct AnswerverifiedShow Answer

TCP uses a four-step process called a four-way handshake to establish a TCP connection.

Correct AnswerverifiedShow Answer

You have been tasked with maintaining a network that is jumbo frame enabled. What does this mean?

Correct AnswerverifiedShow Answer

Which command will produce statistics about each message transmitted by a host, separated according to protocol type?

Correct AnswerverifiedShow Answer

What statement regarding the differences between the Windows tracert utility and the Linux/UNIX/macOS traceroute utility is accurate?

Correct AnswerverifiedShow Answer

If the VLAN tag is present in an Ethernet frame, what is the maximum frame size?

Correct AnswerverifiedShow Answer

In general, a Layer 3 or Layer 4 switch is still optimized for fast Layer 2 data handling.

Correct AnswerverifiedShow Answer

What tcpdump command can be used to filter out all traffic except SSH traffic?

Correct AnswerverifiedShow Answer

Originally codified by ISO, what does the "intermediate system" in IS-IS (Intermediate System to Intermediate System) stand for?

Correct AnswerverifiedShow Answer

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