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

Questão 1 de 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?

Selecione uma das seguintes:

/27
/28
/29
/30
/31

Explicação

Questão 2 de 20

1

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

Selecione uma das seguintes:

6
12
14
30

Explicação

Questão 3 de 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?

Selecione uma das seguintes:

A
B
C
D

Explicação

Questão 4 de 20

1

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

Selecione uma das seguintes:

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

Explicação

Questão 5 de 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?

Selecione uma das seguintes:

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

Explicação

Questão 6 de 20

1

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

Selecione uma das seguintes:

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.

Explicação

Questão 7 de 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?

Selecione uma das seguintes:

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.

Explicação

Questão 8 de 20

1

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

Selecione uma das seguintes:

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

Explicação

Questão 9 de 20

1

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

Selecione uma das seguintes:

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.

Explicação

Questão 10 de 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.)

Selecione uma das seguintes:

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

Explicação

Questão 11 de 20

1

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

Selecione uma das seguintes:

Corporate
LA
SF
NY
None

Explicação

Questão 12 de 20

1

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

Selecione uma das seguintes:

DNS
DHCP
ARP
ICMP

Explicação

Questão 13 de 20

1

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

Selecione uma das seguintes:

DNS
DHCP
ARP
ICMP

Explicação

Questão 14 de 20

1

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

Selecione uma das seguintes:

ping
traceroute
pingroute
pathroute

Explicação

Questão 15 de 20

1

What command generated the output shown below?

Selecione uma das seguintes:

traceroute
show ip route
ping
pathping

Explicação

Questão 16 de 20

1

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

Selecione uma das seguintes:

__________________________________________________________________________________
| 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 |
__________________________________________________________________________________

Explicação

Questão 17 de 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

Selecione uma das seguintes:

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

Explicação

Questão 18 de 20

1

What command displays the ARP table on a Cisco router?

Selecione uma das seguintes:

show ip arp
traceroute
arp -a
tracert

Explicação

Questão 19 de 20

1

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

Selecione uma das seguintes:

/dns
-dns
/all
showall

Explicação

Questão 20 de 20

1

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

Selecione uma das seguintes:

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

	Criado por Kessi Silva quase 7 anos atrás

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

Questão 1 de 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?

Selecione uma das seguintes:

Explicação

Questão 2 de 20

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

Selecione uma das seguintes:

Explicação

Questão 3 de 20

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

Selecione uma das seguintes:

Explicação

Questão 4 de 20

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

Selecione uma das seguintes:

Explicação

Questão 5 de 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?

Selecione uma das seguintes:

Explicação

Questão 6 de 20

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

Selecione uma das seguintes:

Explicação

Questão 7 de 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?

Selecione uma das seguintes:

Explicação

Questão 8 de 20

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

Selecione uma das seguintes:

Explicação

Questão 9 de 20

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

Selecione uma das seguintes:

Explicação

Questão 10 de 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.)

Selecione uma das seguintes:

Explicação

Questão 11 de 20

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

Selecione uma das seguintes:

Explicação

Questão 12 de 20

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

Selecione uma das seguintes:

Explicação

Questão 13 de 20

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

Selecione uma das seguintes:

Explicação

Questão 14 de 20

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

Selecione uma das seguintes:

Explicação

Questão 15 de 20

What command generated the output shown below?

Selecione uma das seguintes:

Explicação

Questão 16 de 20

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

Selecione uma das seguintes:

Explicação

Questão 17 de 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

Selecione uma das seguintes:

Explicação

Questão 18 de 20

What command displays the ARP table on a Cisco router?

Selecione uma das seguintes:

Explicação

Questão 19 de 20

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

Selecione uma das seguintes:

Explicação

Questão 20 de 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