What IP network addresses are set aside for class A (for private use)? a. 1.0.0.0 (mask 255.0.0.0) b. 10.0.0.0 (mask 255.0.0.0) c. 10.0.0.0 (mask 255.255.0.0) d. 100.0.0.0 (mask 255.0.0.0) e. 100.0.0.0 (mask 255.255.0.0)

Fragmentation =? a. data --> packets b. packets ---> bits c. datagram ----> multiple frames d. frame ---> bits

T/F: There is no way to inform TCP of congestion along the path

What is spoofing? a. Where a packets claims its source to be other that what its source really is. b. Same as "denial of service" attacks c. Where a machine continually pings another machine d. Where certain broadcasts are passed through a router

Sequence Number in a TCP header is used for (list all that apply) a. acknowledgements b. upper layer information c. reordering of the octets received d. protocol dependent information e. rejecting the duplicate octates

What is "keepalive"? a. A keepalive is a small, layer-1 bit message that is transmitted by a network device to let directly-connected network devices know of its presence. b. A keepalive is a small, layer-2 message that is transmitted by a network device to let directly-connected network devices know of its presence. c. A keepalive is a small, layer-2 message that is transmitted by a network device to let it neighbors know of congestion d. A keepalive is a small, layer-3 message that is transmitted by a network device to let directly-connected network devices know of its presence. e. A keepalive is a small, layer-3 message that is transmitted by a network device to let it neighbors know of congestion

You have a class C subnet. You would like divide it up into 30 more subnets by "subnetting" ? What would be the subnet mask?

You have a class C subnet. You would like to divide it up into 10 more Subnets by "subnetting" . How many hosts can you have per subnet?

You have a class C subnet. You would like divide it up into 12 more subnets by "subnetting". However you also have to have at least 13 hosts per subnet. Can you do it ?

Your class C network has been subnet-ed. Mask for the new subnets is 255.255.255.224. How many subnets and how many nodes per subnet can you have ?

You have divided your class C network into 2 subnets. Your subnet mask is 255.255.255.192. What are the ranges of IPs for your subnets ? Your Network address before subnetting was 200.252.144.0

You have a class B subnet. You would like to divide it up into 10 more subnets by "subnetting" . How many hosts can you have per subnet?

You have a class B subnet. You would like to divide it up into 12 more subnets by "subnetting". However you also have to have at least 4000 hosts per subnet. Can you do it?

You have a class B subnet (128.252.0.0). You want to divide it into 2 subnets. What will the ranges of IPs?

What IP network addresses are set-aside for class B (for private use)? a. 128.0.0.0 (mask 255.255.0.0) b. 128.252.0.0 (mask 255.255.0.0) c. 172.16.0.0 (mask 255.240.0.0) d. 172.16.0.0 (mask 255.255.0.0) e. 172.240.0.0 (mask 255.255.0.0)