[多项选择]Workstation A has been assigned an IP address of 192.0.2.24/28. Workstation B has beenassigned 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? （）
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

[多项选择]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? （）
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.

[多项选择]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？ （）
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

[单项选择] A new company has been given one public IP address. The company employs 200 users requiring Internet access from the headquarters. Which of the following can be implemented to provide Internet access for all the employees?（）
A. Multicasting
B. Proxy server
C. NAT
D. Subnetting

[单项选择]A Class C network address has been subnetted with a /27 mask.Which of the following addresses is a broadcast address for one of the resulting subnets?（）
A. 201.57.78.33
B. 201.57.78.64
C. 201.57.78.97
D. 201.56.78.97
E. 201.57.78.159
F. 201.57.78.254

[单项选择] An administrator only has one public IP address that must be shared among five employees. Which of the following network schemes should be used?（）
A. SNAT
B. SNAP
C. NAC
D. MPLS

[多项选择] Your ISP has assigned you the following IP address and subnet mask: IP address: 199.141.27.0 Subnet mask: 255.255.255.240 Which of the following addresses can be allocated to hosts on the resulting subnet?（）
A. 199.141.27.2
B. 199.141.27.175
C. 199.141.27.13
D. 199.141.27.11
E. 199.141.27.208
F. 199.141.27.112

[单项选择]After the show ip route command has been entered, the following routes are displayed. Which route will not be entered into the routing table of a neighboring router?（）
A. R 192.168.8.0/24 [120/1] via 192.168.2.2, 00:00:10, Serial0
B. R 192.168.11.0/24 [120/7] via 192.168.9.1, 00:00:03, Serial1
C. C 192.168.1.0/24 is directly connected, Ethernet0
D. R 192.168.5.0/24 [120/15] via 192.168.2.2, 00:00:10, Serial0

[单项选择]A TestKing PC has the IP address 172.16.209.10 /22. What is the subnet of this address?（）
A. 172.16.42.0
B. 172.16.107.0
C. 172.16.208.0
D. 172.16.252.0
E. 172.16.254.0

[单项选择]A medium-sized company has a Class C IP address. It has two Cisco routers and one non-Cisco router. All three routers are using RIP version 1. The company network is using the block of 198.133.219.0/24. The company has decided it would be a good idea to split the network into three smaller subnets and create the option of conserving addresses with VLSM. What is the best course of action if the company wants to have 40 hosts in each of the three subnets?（）
A. Convert all the routers to EIGRP and use 198.133.219.32/27, 198.133.219.64/27, and 198.133.219.92/27 as the new subnetworks.
B. Maintain the use of RIP version 1 and use 198.133.219.32/27, 198.133.219.64/27, and 133.219.92/27 as the new subnetworks.
C. Convert all the routers to EIGRP and use 198.133.219.64/26, 198.133.219.128/26, and 133.219.192/26 as the new subnetworks.
D. Convert all the routers to RIP version 2 and use 198.133.219.64/26, 198.133.219.128/26, and 133.219.192/26 as the new subnetworks.
E. Convert all the routers to OSPF and use 198.133.219.16/28, 198.133.219.32/28, and 198.133.219.48/28 as the new subnetworks.
F. Convert all the routers to static routes and use 198.133.219.16/28, 198.133.219.32/28, and

[单项选择]After the show ip route command has been entered,the follwing routes are displayed.Which route will not be entered into the routing table of a neighboring router?（）
A. R 192.168.8.0/24 [120/1] via 192.168.2.2, 00:00:10, Serial0
B. R 192.168.11.0/24 [120/7] via 192.168.9.1, 00:00:03, Serial1
C. C 192.168.1.0/24 is directly connected, Ethernet 0
D. R 192.168.5.0/24 [120/15] via 192.168.2.2,00:00:10,Serial0

[单项选择]Your ARPA has been tracking a target and has generated the targets course and speed.The radar did not receive a target echo on its last two scans due to the weather.What should you expect under these circumstances（）.
A. The ARPA will generate data as if the target was still being tracked by radar
B. The ARPA will give an audible and/or visual lost target alarm
C. The ARPA will generate data based on sea return echoes from the vicinity where the target was lost
D. The ARPA has lost all memory of the target and must recompute the target data

[单项选择]The new factory that has been built next to us has ______ the value of our house.
A. demoralized
B. depreciated
C. deterred
D. derailed

[多项选择]Which three IP multicast address related statements are true?（）
A. Multicast addresses 224.0.0.13 and 224.0.0.22 are reserved link - local addresses used by PIMv2 and IGMPv3
B. Because they would map to overlapping IP multicast MAC addresses, multicast addresses 224.0.1.1 and 238.1.1.1 could not be used toget her
C. Multicast addresses 224.0.0.0 through 224.0.0.255 are always forwarded because they are transmitted with Time to Live (TTL) greater than 1
D. Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routers
E. The a dministratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar in purpose to RFC 1918 private unicast addresses
F. Multicast address 224.0.1.1 has been reserved for the Network Time Protocol (NTP) by the IANA

[单项选择]What is the subnetwork address for a host with IP address 201.100.5.68/28?（）
A. 201.100.5.0
B. 201.100.5.32
C. 201.100.5.64
D. 201.100.5.65
E. 201.100.5.31
F. 201.100.5.1

[多项选择]Which of the following describe private IP addresses?（）
A. Addresses chosen by a company to communicate with the Internet.
B. Addresses that cannot be routed through the public Internet.
C. Addresses that can be routed through the public Internet.
D. A scheme to conserve public addresses.
E. Addresses licensed to enterprise or ISPs by an Internet registry organization.

[单项选择]A computer that has dynamic IP addressing is not receiving an IP address. Which of the following is MOST likely the problem?（）
A. SNMP
B. DHCP
C. DNS
D. NAT