In a simple echo-request message, the value of the sum is 01010000 01011100. Then, value of checksum is ___________

• A. 10101111 10100011
• B. 01010000 01011100
• C. 10101111 01011100
• D. 01010000 10100011

Which of the following is the broadcast address for a Class B network ID using the default subnetmask?

• A. 172.16.10.255
• B. 255.255.255.255
• C. 172.16.255.255
• D. 172.255.255.255

You have an IP address of 172.16.13.5 with a 255.255.255.128 subnet mask. What is your class of address, subnet address, and broadcast address?

• A. Class a, subnet 172.16.13.0, broadcast address 172.16.13.127
• B. Class b, subnet 172.16.13.0, broadcast address 172.16.13.127
• C. Class b, subnet 172.16.13.0, broadcast address 172.16.13.255
• D. Class b, subnet 172.16.0.0, broadcast address 172.16.255.255

If you wanted to have 12 subnets with a Class C network ID, which subnet mask would you use?

• A. 255.255.255.252
• B. 255.255.255.255
• C. 255.255.255.240
• D. 255.255.255.248

The combination of _________ and __________ is often termed the local address of the local portion of the IP address.

• A. Network number and host number
• B. Network number and subnet number
• C. Subnet number and host number
• D. Host number

_________ implies that all subnets obtained from the same subnet mask.

• A. Static subnetting
• B. Dynamic subnetting
• C. Variable length subnetting
• D. Dynamic length subnetting

State whether true or false. i) A connection oriented protocol can only use unicast addresses. ii) The any cast service is included in IPV6.

• A. True, true
• B. True, false
• C. False, true
• D. False, false

__________ is a high performance fiber optic token ring LAN running at 100 Mbps over distances upto 1000 stations connected.

• A. Fddi
• B. Fddt
• C. Fddr
• D. Fotr

_________ is a collective term for a number of Ethernet Standards that carry traffic at the nominal rate of 1000 Mbit/s against the original Ethernet speed of 10 Mbit/s.

• A. Ethernet
• B. Fast ethernet
• C. Gigabit ethernet
• D. Gigabyte ethernet

_________ is another kind of fiber optic network with an active star for switching.

• A. S/net
• B. Sw/net
• C. Net/sw
• D. Fs/net