Review Questions - Chapter 5 VLSMs, Summarization, and Troubleshooting TCP/IP

Frage 1 von 20

1

On a VLSM network, which mask should you use on point-to-point WAN links in order to reduce the waste of IP addresses?

Wähle eine der folgenden:

/27
/28
/29
/30
/31

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Frage 2 von 20

1

In the network shown in the diagram, how many computers could be in Network B?

Wähle eine der folgenden:

6
12
14
30

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Frage 3 von 20

1

In the following diagram, in order to have IP addressing that’s as efficient as possible, which network should use a /29 mask?

Wähle eine der folgenden:

A
B
C
D

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Frage 4 von 20

1

To use VLSM, what capability must the routing protocols in use possess?

Wähle eine der folgenden:

Support for multicast
Multiprotocol support
Transmission of subnet mask information
Support for unequal load balancing

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Frage 5 von 20

1

What summary address would cover all the networks shown and advertise a single, efficient route to Router B that won’t advertise more networks than needed?

Wähle eine der folgenden:

172.16.0.0/24
172.16.1.0/24
172.16.0.0/25
172.16.0.0/20
172.16.16.0/28
172.16.0.0/27

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Frage 6 von 20

1

In the following diagram, what is the most likely reason the station cannot ping outside of its network?

Wähle eine der folgenden:

The IP address is incorrect on interface E0 of the router.
The default gateway address is incorrect on the station.
The IP address on the station is incorrect.
The router is malfunctioning.

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Frage 7 von 20

1

If a host is configured with an incorrect default gateway and all the other computers and router are known to be configured correctly, which of the following statements is TRUE?

Wähle eine der folgenden:

Host A cannot communicate with the router.
Host A can communicate with other hosts in the same subnet.
Host A can communicate with hosts in other subnets.
Host A can communicate with no other systems.

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Frage 8 von 20

1

Which of the following troubleshooting steps, if completed successfully, also confirms that
the other steps will succeed as well?

Wähle eine der folgenden:

Ping a remote computer.
Ping the loopback address.
Ping the NIC.
Ping the default gateway.

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Frage 9 von 20

1

When a ping to the local host IP address fails, what can you assume?

Wähle eine der folgenden:

The IP address of the local host is incorrect.
The IP address of the remote host is incorrect.
The NIC is not functional
The IP stack has failed to initialize.

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Frage 10 von 20

1

When a ping to the local host IP address succeeds but a ping to the default gateway IP address fails, what can you rule out? (Choose all that apply.)

Wähle eine der folgenden:

The IP address of the local host is incorrect.
The IP address of the gateway is incorrect.
The NIC is not functional
The IP stack has failed to initialize

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Frage 11 von 20

1

Which of the networks in the diagram could use a /29 mask?

Wähle eine der folgenden:

Corporate
LA
SF
NY
None

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Frage 12 von 20

1

What network service is the most likely problem if you can ping a computer by IP address but not by name?

Wähle eine der folgenden:

DNS
DHCP
ARP
ICMP

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Frage 13 von 20

1

When you issue the ping command, what protocol are you using?

Wähle eine der folgenden:

DNS
DHCP
ARP
ICMP

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Frage 14 von 20

1

Which of the following commands displays the networks traversed on a path to a network destination?

Wähle eine der folgenden:

ping
traceroute
pingroute
pathroute

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Frage 15 von 20

1

What command generated the output shown below?

Wähle eine der folgenden:

traceroute
show ip route
ping
pathping

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Frage 16 von 20

1

In the work area, match the command to its function on the right.

Wähle eine der folgenden:

__________________________________________________________________________________
| traceroute | Shows you the PC network configuration |
__________________________________________________________________________________
| arp -a | Displays IP-to-MAC-address mappings on a Windows PC |
__________________________________________________________________________________
| show ip arp | Displays the ARP table on a Cisco router |
__________________________________________________________________________________
| ipconfig /all | Displays the list of routers on a path to a network destination | _________________________________________________________________________________
__________________________________________________________________________________
| traceroute | Displays the list of routers on a path to a network destination |
__________________________________________________________________________________
| arp -a | Shows you the PC network configuration |
__________________________________________________________________________________
| show ip arp | Displays the ARP table on a Cisco router |
__________________________________________________________________________________
| ipconfig /all | Displays IP-to-MAC-address mappings on a Windows PC |
__________________________________________________________________________________
__________________________________________________________________________________
| traceroute | Displays the list of routers on a path to a network destination |
__________________________________________________________________________________
| arp -a | Displays IP-to-MAC-address mappings on a Windows PC |
__________________________________________________________________________________
| show ip arp | Displays the ARP table on a Cisco router |
__________________________________________________________________________________
| ipconfig /all | Shows you the PC network configuration |
__________________________________________________________________________________
__________________________________________________________________________________
| traceroute | Displays the list of routers on a path to a network destination |
__________________________________________________________________________________
| arp -a | Displays IP-to-MAC-address mappings on a Windows PC |
__________________________________________________________________________________
| show ip arp | Shows you the PC network configuration |
__________________________________________________________________________________
| ipconfig /all | Displays the ARP table on a Cisco router |
__________________________________________________________________________________

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Frage 17 von 20

1

17. Which of the following network addresses correctly summarizes the three networks shown below efficiently?
10.0.0.0/16
10.1.0.0/16
10.2.0.0/16

Wähle eine der folgenden:

10.0.0.0/15
10.1.0.0/8
10.0.0.0/14
10.0.0.8/16

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Frage 18 von 20

1

What command displays the ARP table on a Cisco router?

Wähle eine der folgenden:

show ip arp
traceroute
arp -a
tracert

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Frage 19 von 20

1

What switch must be added to the ipconfig command on a PC to verify DNS configuration?

Wähle eine der folgenden:

/dns
-dns
/all
showall

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Frage 20 von 20

1

Which of the following is the best summarization of the following networks: 192.168.128.0through 192.168.159.0?

Wähle eine der folgenden:

192.168.0.0/24
192.168.128.0/16
192.168.128.0/19
192.168.128.0/20

	Erstellt von Kessi Silva vor fast 7 Jahre

Network Fundamentals 1.7 Apply troubleshooting methodologies to resolve problems 1.7.a Perform fault isolation and document 1.7.b Resolve or escalate 1.7.c Verify and monitor resolution 1.8 Configure, verify, and troubleshoot IPv4 addressing and subnetting

Review Questions - Chapter 5 VLSMs, Summarization, and Troubleshooting TCP/IP

Frage 1 von 20

On a VLSM network, which mask should you use on point-to-point WAN links in order to reduce the waste of IP addresses?

Wähle eine der folgenden:

Erklärung

Frage 2 von 20

In the network shown in the diagram, how many computers could be in Network B?

Wähle eine der folgenden:

Erklärung

Frage 3 von 20

In the following diagram, in order to have IP addressing that’s as efficient as possible, which network should use a /29 mask?

Wähle eine der folgenden:

Erklärung

Frage 4 von 20

To use VLSM, what capability must the routing protocols in use possess?

Wähle eine der folgenden:

Erklärung

Frage 5 von 20

What summary address would cover all the networks shown and advertise a single, efficient route to Router B that won’t advertise more networks than needed?

Wähle eine der folgenden:

Erklärung

Frage 6 von 20

In the following diagram, what is the most likely reason the station cannot ping outside of its network?

Wähle eine der folgenden:

Erklärung

Frage 7 von 20

If a host is configured with an incorrect default gateway and all the other computers and router are known to be configured correctly, which of the following statements is TRUE?

Wähle eine der folgenden:

Erklärung

Frage 8 von 20

Which of the following troubleshooting steps, if completed successfully, also confirms that the other steps will succeed as well?

Wähle eine der folgenden:

Erklärung

Frage 9 von 20

When a ping to the local host IP address fails, what can you assume?

Wähle eine der folgenden:

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Frage 10 von 20

When a ping to the local host IP address succeeds but a ping to the default gateway IP address fails, what can you rule out? (Choose all that apply.)

Wähle eine der folgenden:

Erklärung

Frage 11 von 20

Which of the networks in the diagram could use a /29 mask?

Wähle eine der folgenden:

Erklärung

Frage 12 von 20

What network service is the most likely problem if you can ping a computer by IP address but not by name?

Wähle eine der folgenden:

Erklärung

Frage 13 von 20

When you issue the ping command, what protocol are you using?

Wähle eine der folgenden:

Erklärung

Frage 14 von 20

Which of the following commands displays the networks traversed on a path to a network destination?

Wähle eine der folgenden:

Erklärung

Frage 15 von 20

What command generated the output shown below?

Wähle eine der folgenden:

Erklärung

Frage 16 von 20

In the work area, match the command to its function on the right.

Wähle eine der folgenden:

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Frage 17 von 20

17. Which of the following network addresses correctly summarizes the three networks shown below efficiently? 10.0.0.0/16 10.1.0.0/16 10.2.0.0/16

Wähle eine der folgenden:

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Frage 18 von 20

What command displays the ARP table on a Cisco router?

Wähle eine der folgenden:

Erklärung

Frage 19 von 20

What switch must be added to the ipconfig command on a PC to verify DNS configuration?

Wähle eine der folgenden:

Erklärung

Frage 20 von 20

Which of the following is the best summarization of the following networks: 192.168.128.0through 192.168.159.0?

Which of the following troubleshooting steps, if completed successfully, also confirms that
the other steps will succeed as well?

17. Which of the following network addresses correctly summarizes the three networks shown below efficiently?
10.0.0.0/16
10.1.0.0/16
10.2.0.0/16