What is the valid host address range for the subnet 172.25.4.0 /23? A. 172.25.4.1 to 172.25.5.254 B. 172.25.4.10 to 172.25.5.210 C. 172.25.4.35 to 172.25.5.64 D. 172.25.4.21 to 172.25.5.56 Explanation: For the subnet 172.25.4.0, the valid host range will start at 172.25.4.1 and end at 172.25.5.254. To determine the valid range of addresses in a subnet, […]

Which statement is NOT true regarding Internet Control Message Protocol (ICMP)? A. ICMP can identify network problems. B. ICMP is documented in RFC 792. C. ICMP provides reliable transmission of data in an Internet Protocol (IP) environment. D. An ICMP echo-request message is generated by the ping command. Explanation: ICMP does NOT provide reliable transmission […]

You are configuring a PPP connection between two routers, R1 and R2. The password for the connection will be poppycock. When you are finished you execute the show run command on R1 to verify the configuration. Which of the following examples of partial output of the show run command from R1 represents a correct configuration […]

Which Cisco Internetwork Operating System (IOS) command is used to view the number of Enhanced Interior Gateway Routing Protocol (EIGRP) packets that are sent and received? A. show eigrp neighbors B. show ip eigrp interfaces C. show ip eigrp packets D. show ip eigrp traffic E. show ip route F. show ip eigrp topology Explanation: […]

You are a network administrator for your organization. Your organization has two Virtual LANs, named Marketing and Production. All Cisco 2950 switches in the network have both VLANs configured on them. Switches A, C, F, and G have user machines connected for both VLANs, whereas switches B, D, and E have user machines connected for […]

What two devices can be connected to a router WAN serial interface that can provide clocking? (Choose two.) A. CSU/DSU B. switch C. modem D. hub Explanation: A router DTE interface must receive a clock rate from the DCE end and the rate can be provided by either a CSU/DSU or a modem. Therefore, the […]

You are connecting a new computer to Switch55. The new computer should be placed in the Accounting VLAN. You execute the show vlan command and get the following output: Examine the additional network diagram. What action should you take to place the new computer in the Accounting VLAN and allow for inter-VLAN routing? A. Connect […]

When packets are transmitted from one host to another across a routed segment, which two addresses are changed? (Choose two.) A. source IP address B. source MAC address C. destination IP address D. destination MAC address Explanation: When packets move from one LAN segment to another LAN segment across a router, the source and destination […]

What command should you use to quickly view the HSRP state of the switch for all HSRP groups of which the switch is a member? A. switch# show standby brief B. switch# show ip interface brief C. switch# show hsrp D. switch# show standby Explanation: The command show standby brief should be used to quickly […]

You are creating a configuration to use on a switch. The configuration must enable you to remotely manage the switch. Which of the following command sets is correct? (Assume the commands are executed at the correct prompt.) A. interface vlan 1ip address 192.168.20.244 255.255.255.240no shutdownexitip default-gateway 192.168.20.241line vty 0 15password ciscologinexit B. interface fastethernet 0/1ip […]