IPv4 i1

255.255.255.224

What subnet mask would be appropriate for a network address range to be subnetted for up to eight LANs, with each LAN containing 5 to 26 hosts?

F

What value should be displayed in Box 1 of the ipconfig output of host A? A. 172.18.14.5 B. 172.18.14.6 C. 192.168.1.10 D. 192.168.1.11 E. 192.168.1.250 F. 192.168.1.254

B

Which one of the following IP addresses is the last valid host in the subnet using mask 255.255.255.224? A. 192.168.2.63 B. 192.168.2.62 C. 192.168.2.61 D. 192.168.2.60 E. 192.168.2.32

ACD

Which three IP addresses can be assigned to hosts if the subnet mask is /27 and subnet zero is usable? (Choose three.) A. 10.15.32.17 B. 17.15.66.128 C. 66.55.128.1 D. 135.1.64.34 E. 129.33.192.192 F. 192.168.5.63

BD

Which two statements describe the IP address 10.16.3.65/23? (Choose two.) A. The subnet address is 10.16.3.0 255.255.254.0. B. The lowest host address in the subnet is 10.16.2.1 255.255.254.0. C. The last valid host address in the subnet is 10.16.2.254 255.255.254.0 D. The broadcast address of the subnet is 10.16.3.255 255.255.254.0. E. The network is not subnetted.

AB

Workstation A has been assigned an IP address of 192.0.2.24/28. Workstation B has been assigned an IP address of 192.0.2.100/28. The two workstations are connected with a straight-through cable. Attempts to ping between the hosts are unsuccessful. What two things can be done to allow communications between the hosts? (Choose two) A. Replace the straight-through cable with a crossover cable. B. Change the subnet mask of the hosts to /25. C. Change the subnet mask of the hosts to /26. D. Change the address of Workstation A to 192.0.2.15. E. Change the address of Workstation B to 192.0.2.111.

A

You are working in a data center environment and are assigned the address range 10.188.31.0/23. You are asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30 hosts each. Which IP address range meets these requirements? A. 10.188.31.0/27 B. 10.188.31.0/26 C. 10.188.31.0/29 D. 10.188.31.0/28 E. 10.188.31.0/25

D

You have a class C network, and you need to design it for 5 usable subnets with each subnet handling a minimum of 18 hosts each. Which of the following network masks should you use? A. 225.225.224.0. B. 225.225.240.0. C. 225.225.255.0. D. 255.255.255.224 E. 225.225.255.240

D

What is the maximum number of bits that can be borrowed to create subnets if a Class B network address is being used? A. 2 B. 6 C. 8 D. 14 E. 16

BE

A national retail chain needs to design an IP addressing scheme to support a nationwide network. 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. 255.255.255.0 B. 255.255.255.128 C. 255.255.252.0 D. 255.255.255.224 E. 255.255.255.192 F. 255.255.248.0

D

After configuring two interfaces on the HQ router, the network administrator notices an error message. What must be done to fix this error? A. The serial interface must be configured first. B. The serial interface must use the address 192.168.1.2 C. The subnet mask of the serial interface should be changed to 255.255.255.0 D. The subnet mask of the FastEthernet interface should be changed to 255.255.255.240 E. The address of the FastEthernet interface should be changed to 192.168.1.66

D

For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host? A. 192.0.3.255 B. 192.0.2.0 C. 192.0.4.0 D. 192.0.2.255

B

Given a Class C IP address subnetted with a /30 subnet mask, how many valid host IP addresses are available on each of the subnets? A. 1 B. 2 C. 4 D. 8 E. 252 F. 254

ACE

Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts? (Choose three.) A. 192.168.16.87 B. 15.234.118.63 C. 92.11.178.93 D. 201.45.116.159 E. 134.178.18.56

172.16.16.0

Given an IP address 172.16.28.252 with a subnet mask of 255.255.240.0, what is the correct network address?

C

Given that you have a class B IP address network range, which of the subnet masks below will allow for 100 subnets with 500 usable host addresses per subnet? A. 255.255.0.0 B. 255.255.224.0 C. 255.255.254.0 D. 255.255.255.0 E. 255.255.255.224

BD

Given the address 192.168.20.19/28, which of the following are valid host addresses on this subnet? (Choose two.) A. 192.168.20.16 B. 192.168.20.29 C. 192.168.20.31 D. 192.168.20.17 E. 192.168.20.0

BC

Host B has just been added to the network and must acquire an IP address. Which two addresses are possible addresses that will allow host B to communicate with other devices in the network? (Choose two.) A. 192.168.10.32 B. 192.168.10.38 C. 192.168.10.46 D. 192.168.10.47 E. 192.168.10.49 F. 192.168.10.51

C

What is the network address for the host with IP address 192.168.23.61/28? A. 192.168.23.0 B. 192.168.23.32 C. 192.168.23.48 D. 192.168.23.56 E. 192.168.23.60

A

Refer to the exhibit. The enterprise has decided to use the network address 172.16.0.0. The network administrator needs to design a classful addressing scheme to accommodate the three subnets, with 30, 40, and 50 hosts, as shown. What subnet mask would accommodate this network? A. 255.255.255.192 B. 255.255.255.224 C. 255.255.255.240 D. 255.255.255.248 E. 255.255.255.252

C

The 201.145.32.0 network is subnetted using a /26 mask. How many networks and IP hosts per network exists using this subnet mask? A. 4 networks and 64 hosts B. 64 networks and 4 hosts C. 4 networks and 62 hosts D. 62 networks and 2 hosts E. 6 network and 30 hosts

F

The 213.115.77.0 network was subnetted using a /28 subnet mask. How many usable subnets and host addresses per subnet were created as a result of this? A. 2 networks with 62 hosts B. 6 networks with 30 hosts C. 16 networks and 16 hosts D. 62 networks and 2 hosts E. 14 networks and 14 hosts F. None of the above

B

The corporate router receives an IP packet with a source IP address of 192.168.214.20 and a destination address of 192.168.22.3. What will the router do with this packet? A. It will encapsulate the packet as Frame Relay and forward it out interface Serial 0/0.117. B. It will discard the packet and send an ICMP Destination Unreachable message out interface FastEthernet 0/0. C. It will forward the packet out interface Serial 0/1 and send an ICMP Echo Reply message out interface serial 0/0.102. D. It will change the IP packet to an ARP frame and forward it out FastEthernet 0/0.

B

Two routers named Atlanta and Brevard are connected by their serial interfaces as shown in the exhibit, but there is no data connectivity between them. The Atlanta router is known to have a correct configuration. Given the partial configurations shown in the exhibit, what is the problem on the Brevard router that is causing the lack of connectivity? A. A loopback is not set. B. The IP address is incorrect. C. The subnet mask is incorrect. D. The serial line encapsulations are incompatible. E. The maximum transmission unit (MTU) size is too large. F. The bandwidth setting is incompatible with the connected interface.

D

The internetwork is using subnets of the address 192.168.1.0 with a subnet mask of 255.255.255.224. The routing protocol in use is RIP version 1. Which address could be assigned to the Fast Ethernet interface on RouterA? A. 192.168.1.31 B. 192.168.1.64 C. 192.168.1.127 D. 192.168.1.190 E. 192.168.1.192

ACE

The junior network support staff provided the diagram as a recommended configuration for the first phase of a four-phase network expansion project. The entire network expansion will have over 1000 users on 14 network segments and has been allocated this IP address space. 192.168.1.1 through 192.168.5.255 192.168.100.1 through 192.168.100.255 What are three problems with this design? (Choose three.) A. The AREA 1 IP address space is inadequate for the number of users. B. The AREA 3 IP address space is inadequate for the number of users. C. AREA 2 could use a mask of /25 to conserve IP address space. D. The network address space that is provided requires a single network-wide mask. E. The router-to-router connection is wasting address space. F. The broadcast domain in AREA 1 is too large for IP to function.

ACE

The network 172.25.0.0 has been divided into eight equal subnets. Which of the following IP addresses can be assigned to hosts in the third subnet on the router? (Choose three.) A. 172.25.72.0 B. 172.25.98.16 C. 172.25.78.243 D. 172.25.96.17 E. 172.25.94.255 F. 172.25.100.16

30

The network administrator needs to address seven LANs. RIP version 2 is the only routing protocol in use on the network and subnet 0 is not being used. What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is using one class C address block?

C

The network default gateway applying to a host by DHCP is 192.168.5.33/28. Which option is the valid IP address of this host? A. 192.168.5.55 B. 192.168.5.47 C. 192.168.5.40 D. 192.168.5.14 E. 192.168.5.32

ADE

The network manager has requested a 300-workstation expansion of the network. The workstations are to be installed in a single broadcast domain, but each workstation must have its own collision domain. The expansion is to be as cost-effective as possible while still meeting the requirements. Which three items will adequately fulfill the request? (Choose three). A. one IP subnet with a mask of 255.255.254.0 B. two IP subnets with a mask of 255.255.255.0 C. seven 48-port hubs D. seven 48-port switches E. one router interface F. seven router interfaces

C

You have been asked to come up with a subnet mask that will allow all three web servers to be on the same network while providing the maximum number of subnets. Which network address and subnet mask meet this requirement? A. 192.168.252.8 255.255.255.252 B. 192.168.252.16 255.255.255.252 C. 192.168.252.8 255.255.255.248 D. 192.168.252.0 255.255.255.252 E. 192.168.252.16 255.255.255.240

BCE

You've been assigned the CIDR (classless inter domain routing) block of 115.64.4.0/22 from your ISP. Which of the IP addresses below can you use for a host? (Select all valid answers) A. 115.64.8.32 B. 115.64.7.64 C. 115.64.6.255 D. 115.64.3.255 E. 115.64.5.128 F. 115.64.12.128