9.8 - Chapter Quiz 9.8.1 - Quiz Chapter 9 Quiz: Troubleshooting 1. Drag the tool on the left to its correct testing description on the right. Tool: A. Cable tester B. Digital multimeter C. Network analyser D. Network management system E. Protocol analyser Description: 1. Checks power-supply voltage levels and verifies that network devices are receiving power 2. Graphically displays a physical view of network devices and can locate the source of a failed device 3. Identifies devices producing the most network traffic, analyses network traffic by protocol, and views interface details 4. Detects broken wires, crossed-over wiring, shorted connections and improperly paired connections 5. Filters traffic that meets certain criteria so that all traffic between two devices can be captured. 2. A network administrator is troubleshooting connectivity issues with a router and finds that the S0/0/0 interface IP address has been improperly configured. At what layer of the OSI model is this problem occurring? A. Layer 1 B. Layer 3 C. Layer 4 D. Layer 7 3. Match the pairs of devices to the UTP cable type that connects them. Devices: A. Host to switch B. Hub to switch C. Router to switch D. Router Fa0/0 to host E. Hub to router F. Switch to switch Cable type: 1. Straight-through Cable 2. Straight-through Cable 3. Straight-through Cable 4. Crossover Cable 5. Crossover Cable 6. Crossover Cable 4. Match each network situation to its associated OSI layer. (Layer 1 or Layer 2) A. Excessive broadcast B. Encapsulation error C. Loose cable connection D. Fluctuating power supply E. Serial0/0/ is up, protocol is down F. Misconfigured NIC G. Incorrect cable type H. Damaged serial interface connector 5. Refer to the exhibit. A network administrator is troubleshooting the connectivity between the headquarters and the branch office. Which important troubleshooting information can the administrator get from the output of the show interface serial0/0/0 command? Headquarters office is connected to RTA. RTA is connected via S0/0/0 to the S0/0/0 of RTB which is connected to branch office. A. Encapsulation type B. CSU/DSU type C. CSU/DSU timing D. Routing protocol type 6. Which interface status indicated a high error rate? A. Serial 0/0/0 is down, line protocol is down B. Serial 0/0/0 is up, line protocol is down C. Serial 0/0/0 is up, line protocol is down (looped) D. Serial 0/0/0 is up, line protocol is down (disabled) E. Serial 0/0/0 is administratively down, line protocol is down 7. Refer to the exhibit. Hosts on the LAN are able to communicate with hosts on the same LAN, but are unable to connect outside the network. What is the possible problem? RouterA(config)# ip dhcp pool LANpool RouterA(dhcp-config)# network 192.168.1.0 255.255.255.240 RouterA(dhcp-config)# default-router 192.168.1.30 RouterA(dhcp-config)# dns-server 192.168.1.2 RouterA(dhcp-config)# end %SYS-5-CONFIG_I: Configured from console by console RouterA(config)# show ip dhcp binding IP Address Client-ID Lease expiration Type Hardware address 192.168.1.4 00D0.BCBD.993B Feb 01 2008 8:15 AM Automatic 192.168.1.5 00D0.D30B.C23E Feb 01 2008 9:25AM Automatic 192.168.1.6 0001.C91C.D0EC Feb 01 2008 10:21 AM Automatic A. The pool command is not applied to an interface B. The DNS address is misconfigured C. The DHCP address is missing D. The default gateway address is on a different network. 8. Refer to the exhibit. What can be concluded from the output of the debug ip rip command? (Choose two) R1# debug ip rip RIP protocol debugging is on R1# 8d05h: RIP sending v1update to 255255255 255 VIaFastEtherneOO (172.16.11) 8d05h: RIP build update entries 8d05h: network 10 0 00 metric 1 8d05h: network 192 166 1 0 metric 2 8d05h:: RIP sending v1 update 10 255.255.255 255 VIaSenaOO(l (1006.1) 8d05h: RIP build entries 8d05h: netwoJ1c via16 0 0 metric 1 R1# 8d05h: RF'ú received v1 update via 10.0.15 2 on Serial0/0/0 8d05h:192.168 1 in 1 hops 8d05h192.168.168.0 in 16 hops (inaccessible) A. The 10.0.0.0 networ is two hops from R1 B. A oing to 192.168.168.10 will be successful C. R1 sent information about five destinations in the update D. R1 sent a RIP broadcast on Fa0/0 that advertises two networks E. R1 has received updates from one router at source address 10.0.15.2 9. Refer to the exhibit. What is the result of the command that is issued on R1? R1 is connected via Fa0/0 to Sw1 on 192.168.1.1/24. SW1 is connected to H1. R1 is also connected via Fa0/1 to SW2 on 192.168.2.1/24. SW2 is connected to H2 and DHCP server with the address 192.168.2.3/24. R1(config)#interface fa0/0 R1(config-if)#ip helper-address 192.168.2.3 A. The 192.168.1.0 network will not receive any DHCP requests B. DHCP acknowledgements will be issued from the 192.168.1.0 network C. Switch SW2 is acting as a DHCP relay agent for the 192.168.1.0 network D. DHCP requests are forwarded to 192.168.2.3 10. Refer to the exhibit. Based on the results from the troubleshooting commands, what is one possible problem? R1 is connected via serial connection to R2. R2 is connected via Fa0/0 with the address 192.168.1.1 to a host with the address 192.168.1.20. R1 is also connected via serial connection to R3 which is connected to a host with the address 192.168.3.16. Pings from 192.168.1.20 to 192.168.1.1 successful Pings from 192.168.1.20 to 192.168.3.16 successful Telnets from 192.168.1.20 to 192.168.3.16 unsuccessful A. An incorrect IP address was assigned B. The packets may be blocked by a firewall C. The routing protocol was not configured correctly D. There is a Layer 2 encapsulation error.