The subnet mask of an IP address does which of the following?

a. provide encryption in a TCP/IP network

b. defines network and host portions of an IP address

c. allows automated IP addressing

d. allows users to use a computers name rather than its address

Which of the following is needed if a computer with the IP address 172.31.210.10/24 wants to communicate with a computer with the IP address 172.31.209.122/24

a. hub

b. router

c. switch

d. server

Which of the following is a private IP address and cant be routed across the internet?

a. 192.156.90.100

b. 172.19.243.254

c. 11.200.99.180

d. 221.24.250.207

e. 12.12.12.12

Which command should you use with a dual homed server to make sure the server sends packets out of the correct interface?

a. ipconfig

b. ping

c. tracert

d. route

Which command should you use to config the primary DNS server on your computer?

a. ipconfig

b. netsh

c. nslookup

d. arp

Which IP address expressed in CIDR notation has the subnet mask 255.255.255.0?

a. /24

b. /16

c. /26

d. /18

 Which IP address in CIDR notation can support a max of 1022 hosts?

a. 10.100.44.0/24

b. 172.16.4.0/22

c. 192.168.100.64/26

d. 172.29.128.0/18

When using TCP/IP which of the following must computers on the same logical network have in comon (choose all that apply)?

a. network id

b. host id

c. subnet mask

d. computer name

Which of the following IPv6 features is an enhancement on IPv4 (choose all that apply)?

a. larger address space

b. works at the internetwork and transport layers

c. built in security

d. connectionless communication

How many bits must be reallocated fro host id to network id to create 16 subnets?

a. 6

b. 4

c. 16

d. 28

For the class c network address 192.168.10.0 which of the following subnet masks provides 32 subnets?

a. 255.255.255.252

b. 255.255.255.248

c. 255.255.255.240

d. 255.255.255.224

How many host bits are necessary to assign addresses to 62 hosts?

a.6

b. 5

c. 4

d. 3

Which of the following is a reason to subnet?

a. networks can be divided into logical groups

b. subnetting eliminates the need for routers

c. subnetting can decrease the size of broadcast domains

d. theres no need to assign static IP addresses to each computer

Which of the following IP addresses has 12 bits in the host ID?

a. /16

b. /12

c. /8

d. /20

You have a server with two NICs each attached to a different IP network.  You're havinf problems communicating with devices on remote networks that send packets to one of the interfaces.  Server receives the packets fine but the replies never reach the intended destination network.  Replies to packets that come in through the other interface seem to reach their destination without any problems.  What can you do?

a. config a second default gateway on the interface exhibiting problems

b. change the default gateway to use the router thats on teh problem network

c. use the route command to add routes to the networks that arent receiving replies

d. replace the NIC

You have just changed the IP address on a computer named computer5 in your domain from address to address.  Now when you try and ping computer 5 from your workstation you dont get a successful reply.  Other computers arent having a problem communicating - which command might help solve the problem?

a. arp-d

b. ipconfig / flushdns

c. tracert computer 5

d. ping -6 address

Which address cant be assigned to a host computer?

a. 10.100.44.16/24

b. 172.16.7.255/22

c. 192.168.100.66/26

d. 172.29.132.0/18

Which IPv6 transition technology can be used with NAT routers and has the address prefic 2001::/32?

a. Teredo

b. ISATAP

c. 6to4

d. IPv6-over-IPv4