Quiz: CCENT/CCNA Icnd1 Chapters 12 + 13

23 Questions | By Ajeff | Last updated: Nov 29, 2018 | Total Attempts: 603

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Are you sure you understood all you covered when it comes to the CCENT/CCNA Icnd1 chapters 14 and 15? If you are in doubt take up the quiz below and see if you might need some ample time to revise for it all. All the best and keep revising before the next chapter!

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Questions and Answers

1.

Which of the following are private IP networks?
- A.
  
  172.31.0.0
- B.
  
  172.32.0.0
- C.
  
  192.168.255.0
- D.
  
  192.1.168.0
- E.
  
  11.0.0.0
2.

Which of the following is the result of a Boolean AND between IP address 150.150.4.100 and mask 255.255.192.0?
- A.
  
  1001 0110 1001 0110 0000 0100 0110 0100
- B.
  
  1001 0110 1001 0110 0000 0000 0000 0000
- C.
  
  1001 0110 1001 0110 0000 0100 0000 0000
- D.
  
  1001 0110 0000 0000 0000 0000 0000 0000
3.

Which of the following shows the equivalent of subnet mask 255.255.248.0, but in prefix notation?
- A.
  
  /248
- B.
  
  /24
- C.
  
  /28
- D.
  
  /21
- E.
  
  /20
4.

If mask 255.255.255.128 were used with a Class B network, how many subnets could exist, with how many hosts per subnet, respectively?
- A.
  
  256 and 256
- B.
  
  254 and 254
- C.
  
  62 and 1022
- D.
  
  1022 and 62
- E.
  
  512 and 126
5.

A Class B network needs to be subnetted such that it supports 100 subnets and 100 hosts/subnet. For this design, if multiple masks meet those design requirements, the engineer should choose the mask that maximizes the number of hosts per subnet. Which of the following masks meets the design criteria?
- A.
  
  255.255.255.0
- B.
  
  /23
- C.
  
  /26
- D.
  
  255.255.252.0
6.

If mask 255.255.255.240 were used with a Class C network, how many subnets could exist, with how many hosts per subnet, respectively?
- A.
  
  16 and 16
- B.
  
  14 and 14
- C.
  
  16 and 14
- D.
  
  8 and 32
- E.
  
  32 and 8
7.

Which of the following subnet masks lets a Class B network have up to 150 hosts per subnet, and supports 164 subnets?
- A.
  
  255.0.0.0
- B.
  
  255.255.0.0
- C.
  
  255.255.255.0
- D.
  
  255.255.192.0
- E.
  
  255.255.240.0
8.

Which of the following subnet masks let a Class A network have up to 150 hosts per subnet and supports 164 subnets?
- A.
  
  255.0.0.0
- B.
  
  255.255.0.0
- C.
  
  255.255.255.0
- D.
  
  255.255.192.0
- E.
  
  255.255.252.0
9.

Which of the following IP addresses are not in the same subnet as 190.4.80.80, mask 255.255.255.0?
- A.
  
  190.4.80.50
- B.
  
  190.4.80.100
- C.
  
  190.4.80.200
- D.
  
  190.4.90.1
- E.
  
  10.1.1.1
10.

Which of the following IP addresses is not in the same subnet as 190.4.80.80, mask 255.255.240.0?
- A.
  
  190.4.80.50
- B.
  
  190.4.80.100
- C.
  
  190.4.80.200
- D.
  
  190.4.90.1
- E.
  
  10.1.1.1
11.

Which of the following IP addresses are not in the same subnet as 190.4.80.80/25?
- A.
  
  190.4.80.100
- B.
  
  190.4.80.200
- C.
  
  190.4.90.1
- D.
  
  10.1.1.1
- E.
  
  190.4.80.50
12.

Each of the following answers lists a dotted decimal number and a subnet mask. The dotted decimal number might be a valid IP address that can be used by a host or it might be a subnet number or broadcast address. Which of the answers show an address that can be used by a host?
- A.
  
  10.0.0.0, 255.0.0.0
- B.
  
  192.168.5.160, 255.255.255.192
- C.
  
  172.27.27.27, 255.255.255.252
- D.
  
  172.20.49.0, 255.255.254.0
13.

Which of the following are valid subnet numbers in network 180.1.0.0 when using mask 255.255.248.0?
- A.
  
  180.1.8.0
- B.
  
  180.1.16.0
- C.
  
  180.1.32.0
- D.
  
  180.1.4.0
- E.
  
  180.1.40.0
14.

Which of the following are not valid subnet numbers in network 180.1.0.0 when using mask 255.255.255.0?
- A.
  
  180.2.2.0
- B.
  
  180.1.4.0
- C.
  
  180.1.8.0
- D.
  
  180.1.32.0
- E.
  
  180.1.40.0
15.

Which of the following installation steps are typically required on a Cisco router, but not typically required on a Cisco switch?
- A.
  
  Connect Ethernet cables
- B.
  
  Connect serial cables
- C.
  
  Connect to the console port
- D.
  
  Connect the power cable
- E.
  
  Turn the on/off switch to “on”
16.

Which of the following roles does a SOHO router typically play in regards to IP address assignment?

Discuss
- A.
  
  DHCP server on the interface connected to the ISP
- B.
  
  DHCP server on the interface connected to the PCs at the home/office
- C.
  
  DHCP client on the interface connected to the ISP
- D.
  
  DHCP client on the interface connected to the PCs at the home/office
17.

Which of the following features would you typically expect to be associated with the router CLI, but not with the switch CLI?
- A.
  
  The clock rate command
- B.
  
  The ip address address mask command
- C.
  
  The ip address dhcp command
- D.
  
  The interface vlan 1 command
18.

You just bought two Cisco routers for use in a lab, connecting each router to a different LAN switch with their Fa0/0 interfaces. You also connected the two routers’ serial interfaces using a back-to-back cable. Which of the following steps is not required to be able to forward IP on both routers’ interfaces?
- A.
  
  Configuring an IP address on each router’s FastEthernet and serial interfaces
- B.
  
  Configuring the bandwidth command on one router’s serial interface
- C.
  
  Configuring the clock rate command on one router’s serial interface
- D.
  
  Setting the interface description on both the FastEthernet and serial interface of each router
19.

The output of the show ip interface brief command on R1 lists interface status codes of “down” and “down” for interface Serial 0/0. Which of the following could be true?
- A.
  
  The shutdown command is currently configured for that interface.
- B.
  
  R1’s serial interface has been configured to use Frame Relay, but the router on the other end of the serial link has been configured to use PPP.
- C.
  
  R1’s serial interface does not have a serial cable installed.
- D.
  
  Both routers have been cabled to a working serial link (CSU/DSUs included), but only one router has been configured with an IP address.
20.

Which of the following commands does not list the IP address and mask of at least one interface?
- A.
  
  Show running-config
- B.
  
  Show protocols type number
- C.
  
  Show ip interface brief
- D.
  
  Show interfaces
- E.
  
  Show version
21.

Which of the following is different on the Cisco switch CLI as compared with the Cisco router CLI?
- A.
  
  The commands used to configure simple password checking for the console
- B.
  
  The number of IP addresses configured
- C.
  
  The types of questions asked in setup mode
- D.
  
  The configuration of the device’s host name
- E.
  
  The configuration of an interface description
22.

Which of the following could cause a router to change the IOS that is loaded when the router boots?
- A.
  
  Reload EXEC command
- B.
  
  Boot EXEC command
- C.
  
  Reboot EXEC command
- D.
  
  Boot system configuration command
- E.
  
  Configuration register
23.

Which of the following hexadecimal values in the last nibble of the configuration register would cause a router to not look in Flash memory for an IOS?
- A.
  
  0
- B.
  
  2
- C.
  
  4
- D.
  
  5
- E.
  
  6

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