Day 08 Flashcards - IPv4 Addresses (Part 2)

Question 1

Front

Answer 1

Back

Question 2

What is the formula to calculate the maximum number of hosts in a network?

Answer 2

(2^n)-2<div>(n = number of host bits)</div>

Question 3

Which IPv4 address class contains a total of 128 networks?

Answer 3

Class A

Question 4

Which IPv4 address class contains a total of 16,384 networks?<br></br>

Answer 4

Class B

Question 5

Which IPv4 address class contains a total of 2,097,152 networks?<br></br>

Answer 5

Class C

Question 6

Which IPv4 address class allows a total of 16,777,214 hosts per network?<br></br>

Answer 6

Class A

Question 7

Which IPv4 address class allows a total of 65,534 hosts per network?<br></br>

Answer 7

Class B

Question 8

Which IPv4 address class allows a total of 254 hosts per network?<br></br>

Answer 8

Class C

Question 9

If an interface has the <b>shutdown</b>command applied to it, what will the ‘status’ column of <b>show ip interface brief</b>display?

Answer 9

administratively down

Question 10

The ‘Status’ field of the <b>show ip interface brief</b>command shows the Layer […] status of the interface.

Answer 10

1

Question 11

The ‘Protocol’ field of the<b>show ip interface brief</b>command shows the Layer […] status of the interface.<br></br>

Answer 11

2

Question 12

The ‘[…]’ field of the<b>show ip interface brief</b>command shows the Layer 1 status of the interface.<br></br>

Answer 12

Status

Question 13

The ‘[…]’ field of the<b>show ip interface brief</b>command shows the Layer 2 status of the interface.<br></br>

Answer 13

Protocol

Question 14

Interfaces on Cisco [<i>device type</i>]are <b>administratively down</b>by default.

Answer 14

routers

Question 15

Interfaces on Cisco [<i>device type</i>]are NOT<b>administratively down</b>by default.<br></br>

Answer 15

switches

Question 16

Command to configure an IP address on an interface:<div>R1(config-if)# […]</div>

Answer 16

<b>ip address </b><i>ip-address subnet-mask</i><div><i><br></br></i></div><div>ie.</div><div>R1(config-if)# <b>ip address 192.168.0.254 255.255.255.0</b></div>

Question 17

Command to configure a description on an interface:<div>R1(config-if)# […]</div>

Answer 17

<b>description </b><i>description</i><div><i><br></br></i></div><div>ie.</div><div>R1(config-if)#<b> description ## to SW1 ##</b></div>

Question 18

Display the configured description of each interface on a router:<div>R1# […]</div>

Answer 18

<b>show interfaces description</b>