DAY 08 | IPv4 Addresses (Part 2)
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17 Terms
Interfaces on Cisco [device type] are administratively down by default.
routers
What is the formula to calculate the maximum number of hosts in a network?
(2^n)-2
(n = number of host bits)
Which IPv4 address class contains a total of 128 networks?
Class A
Which IPv4 address class contains a total of 16,384 networks?
Class B
Which IPv4 address class contains a total of 2,097,152 networks?
Class C
Which IPv4 address class allows a total of 16,777,214 hosts per network?
Class A
Which IPv4 address class allows a total of 65,534 hosts per network?
Class B
Which IPv4 address class allows a total of 254 hosts per network?
Class C
If an interface has the shutdown command applied to it, what will the 'status' column of show ip interface brief display?
administratively down
The 'Status' field of the show ip interface brief command shows the Layer [...] status of the interface.
1
The 'Protocol' field of the show ip interface brief command shows the Layer [...] status of the interface.
2
The '[...]' field of the show ip interface brief command shows the Layer 1 status of the interface.
Status
The '[...]' field of the show ip interface brief command shows the Layer 2 status of the interface.
Protocol
Interfaces on Cisco [device type] are NOT administratively down by default.
switches
Command to configure an IP address on an interface:
R1(config-if)# [...]
ip address ip-address subnet-mask
ie.
R1(config-if)# ip address 192.168.0.254 255.255.255.0
Command to configure a description on an interface:
R1(config-if)# [...]
description description
ie.
R1(config-if)# description ## to SW1 ##
Display the configured description of each interface on a router:
R1# [...]
show interfaces description