You are given the following IP prefix172.16.128.0 / 23.

1-You need to subnet this prefix into two, of the largest, equal-size subnets, which of the following is true?

a-The second prefix will be 172.16.129.0 /26

B-The second prefix will be 172.16.128.0 /26

C-The second prefix will be 172.16.129.0 /24

2-You issue the IOS ipv6 address 2001:db8:acad:1234::1/64 on the Gig 0/1 interface. The Gig 0/1 interface has the MAC address of 0033.4455.CDBE, Which of the following is the IPv6 link local address of the Gig 0/1 interface?

A-FE80::0233:44FF:FF55:CDBE

B-FE80::0023:44FF:FF55:CDBE

C-FE80::2330:44FF:FE55:CDBE

D-FE80::0233:44FE:FE55:CDBE

E-FE80::0233:44FF:FE55:CDBE

3-

Given the following:

Router(config-if)#ip address 192.168.123.191 255.255.255.240

Bad mask /28 for address 192.168.123.191

4-Which of the following explains the configuration error message that is displayed?

A-This is a private IP address

B-This is a network IP address

C-This is a broadcast IP address

D-The router does not support a / 28 bit mask.

5-A US bicycle company chain needs to design an IP addressing scheme to support a nationwide network of Bicycle stores. The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Working with only one Class B address, which of the following subnet masks will support an appropriate addressing scheme? (Choose two)

A-255.255.255.224

B-255.255.255.192

C-255.255.255.240

D-255.255.255.0

E-255.255.255.128

6-Which of the following pairs of IP addresses could you use at the end of a point-to-point link?

A-192.168.1.15/30 and 192.168.1.16/30

B-192.168.1.165/30 and 192.168.1.166/30

C-192.168.1.228/30 and 192.168.1.229/30

D-192.168.1.31/30 and 192.168.1.32/30

E-192.168.1.128/30 and 192.168.1.129/30

7-You are configuring an IPv4 address on a Router's serial interface that will provide a point-to-point connection to a branch office. Which of the following IP addresses are you most likely to use? (select the best answer)

A-172.25.31.24 /30

B-172.25.31.18 /30

C-172.25.31.23 /30

D-172.25.31.8 /30

E-172.25.31.15 /30