Question 1

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

Question 4

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

Accepted Answer

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

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

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

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

Question 8

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. 
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 9

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. 
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.

Question 10

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

Accepted Answer

A) True 
 B)False

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

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

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

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

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

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

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

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

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

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

Introduction to Networking

Network Infrastructure and Documentation

Addressing on Networks

Network Cabling

Wireless Networking

Virtualization and Cloud Computing

Subnets and VLANs

Network Risk Management

Security in Network Design

Network Performance and Recovery

Wide Area Networks

Filters

Exam 4: Network Protocols and Routing

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

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

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

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

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

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

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

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

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

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

Introduction to Networking

Network Infrastructure and Documentation

Addressing on Networks

Network Cabling

Wireless Networking

Virtualization and Cloud Computing

Subnets and VLANs

Network Risk Management

Security in Network Design

Network Performance and Recovery

Wide Area Networks

Filters