9.7 - Chapter Quiz 9.7.1 - Quiz Chapter 9 Quiz: Troubleshooting an Enterprise Network 1. Refer to the exhibit. All IP addresses have been correctly configured and all interfaces are up. Based on the information shown, which two statements describe what will occur while testing the network? (Choose two.) RTA is connected via its S0/0 to RTBs S0/0 port on the network 192.168.10.0/24. RTA is connected to two switches on the following networks 192.168.30.0/24 and 192.168.80.0/24. RTB is connected to two switches on the following networks 192.168.50.0/24 and 192.168.20.0/24. The following exert is taken from RTA?s configuration: Hostname RTA ! Router rip Network 192.168.30.0 Network 192.168.80.0 The following exert is taken from RTB?s configuration: Hostname RTB ! Router rip Network 192.168.50.0 Network 192.168.20.0 A. RTA and RTB are able to ping each other?s serial interfaces. B. RTA and RTB do not learn any routes from each other through the RIP process. C. RTB has all five of the networks listed in the routing table. D. RTA has all five of the networks listed in the routing table. E. RTA and RTB will have three entries in the route table found via RIP. 2. Which utility is able to detect and monitor different types of traffic on a network and trigger an alarm when an excessive amount of a specified packet type is seen? A. Ping B. SNMP C. Tracert D. Packet sniffer 3. Refer to the exhibit. The network administrator configured the ACL to deny the LAN access to a web server with known viruses. However, the users can still reach this server. What could be the cause of the problem? A switch on network 192.168.1.0/24 is connected to the Fa0/0 of RTA. RTA is connected via its Fa0/1 to another switch which connects to a server with the address 172.16.5.5/24. RTA?s ACLs are as follows: RTA(config)#access-list 100 deny ip 192.168.1.0 0.0.0.255 host 172.16.5.5 RTA(config)#access-list 100 permit ip any any RTA(config)#interface fa0/0 RTA(config)#ip access-group 100 out A. The access list should specifically deny TCP port 80. B. The access list should be applied inbound on the interface instead of outbound. C. The access list should be a standard access list instead of and extended. D. The access list has the source address and destination address reversed. 4. Refer to the exhibit. An administrator has been adding new VLANs to Sw-2 and notices that the new information is not recognised by Sw-3. Given the output of the show vtp status command, what is the reason why information is not shared in this VTP domain? Sw-1#show vtp status VTP Version: 2 Configuration Revision: 247 Maximum VLANs supported locally: 1005 Number of existing VLANs: 40 VTP Operating Mode: Client VTP Domain Name: Lab_Network VTP Pruning Mode: Enabled VTP V2 Mode: Disabled VTP Traps Generation: Disabled MD5 digest: 0x45 0x52 0xB6 0xFD 0x63 0xC8 0x49 0x80 Configuration last modified by 10.10.12.1 at 8-12-08 12:04:42 Sw-2#show vtp status VTP Version: 2 Configuration Revision: 247 Maximum VLANs supported locally: 1005 Number of existing VLANs: 40 VTP Operating Mode: Server VTP Domain Name: Lab_Network VTP Pruning Mode: Enabled VTP V2 Mode: Disabled VTP Traps Generation: Disabled MD5 digest: 0x45 0x52 0xB6 0xFD 0x63 0xC8 0x49 0x80 Configuration last modified by 10.10.12.1 at 8-12-08 12:08:52 Sw-3#show vtp status VTP Version: 2 Configuration Revision: 247 Maximum VLANs supported locally: 1005 Number of existing VLANs: 25 VTP Operating Mode: Transparent VTP Domain Name: Lab_Network VTP Pruning Mode: Enabled VTP V2 Mode: Disabled VTP Traps Generation: Disabled MD5 digest: 0x45 0x52 0xB6 0xFD 0x63 0xC8 0x49 0x80 Configuration last modified by 10.10.12.1 at 8-12-08 13:34:49 A. The VTP domain is not the same between the switches. B. Sw-3 is configured for transparent mode. C. VTP version 2 has been disabled. D. VTP traps have been disabled. 5. Refer to the exhibit. Two neighbouring routers are not able to establish connectivity. Based on the output of the debug ppp authentication command, which statement is true? 03:17:47: Se0/1 PPP: Authorization NOT required 03:17:47: Se0/1 CHAP: O CHALLENGE id 15 len 28 from ?R1? 03:17:47: Se0/1 CHAP: I CHALLENGE id 17 len 27 from ?R2? 03:17:47: Se0/1 CHAP: Using hostname from configured hostname 03:17:47: Se0/1 CHAP: Using password from AAA 03:17:47: Se0/1 CHAP: O RESPONSE id 17 len 28 from ?R1? 03:17:47: Se0/1 CHAP: I RESPONSE id 15 len 27 from ?R2? 03:17:47: Se0/1 PPP: Sent CHAP LOGIN Requesr to AAA 03:17:47: Se0/1 PPP: Received LOGIN Response from AAA=FAIL 03:17:47: Se0/1 CHAP: O FAILURE id 15 len 26 msg is ?Authentication failure? A. Only one side required authentication B. An incorrect hash string is received from the remote router C. The remote location is configured with PAP authentication instead of CHAP D. The authentication methods are incompatible 6. Refer to the exhibit. The ACME Company implement VLANs across its network infrastructure to further control the network traffic. The network administrator issued the show vlan command on SW2 to verify the VLAN configuration. Whish statement is true? RTA is connected to SW2, S2 is connected to SW1 and SW3. Engineering is VLAN 10, Support is VLAN 20 and Sales is VLAN 30. SW2#show vlan VLAN Name Status Ports 1 default active Fa0/3, Fa0/4, Fa0/21, Fa0/22, Fa0/23, Fa0/24 10 Engineering active Fa0/5, Fa0/6, Fa0/7, Fa0/8, Fa0/9 20 Support active Fa0/10, Fa0/11, Fa0/10, Fa0/10, Fa0/10, Fa0/15 30 Sales active Fa0/16, Fa0/17, Fa0/18, Fa0/19, Fa0/20 A. All ports will be participating in VLAN1. B. Tarffic in each VLAN will not be seen in other VLANs C. The status ?active? indicated there are 22 devices currently connected to SW2. D. Since VLAN 1 is the management VLAN, RTA can connect to any port in VLAN 1 to route between different VLANs. 7. What is one way to limit the size of a failure domain? A. Implement a classless routing protocol B. Create redundant paths wherever possible C. Backup configuration files D. Ensure devices are not-swappable 8. Refer to the exhibit. The server was just added to the network and no hosts are able to connect to it. What could be the problem? RTA is connected via Fa0/0 to a switch. The switch is connected to two hosts on the 10.10.10.0/24 network with the following IP addresses, 192.168.102.50/27 and 192.168.102.34/27. RTB is connected via Fa0/0 to a switch. The switch is connected to a host with the IP address 192.168.102.99/27 and a server with the IP address 192.168.102.127/27. RTA is connected via port S0/0 to RTB port S0/0. A. The IP address of the server should be dynamic instead of static. B. The IP address assigned to the server is the network address for this subnetwork. C. The IP address assigned to the server is the broadcast address for this subnetwork. D. The network is not subnetted correctly. 9. A technician is troubleshooting a loss of connectivity and suspects that and incorrectly configured ACL is the cause. Which two commands can the technician use to verify that the ACL is incorrectly configured? (Choose two.) A. Show protocols B. Show running-config C. Show ip route D. Show access-lists E. Show ip interface 10. Refer to the exhibit. Why is neighbouring 192.168.199.137 not a DROTHER? Neighbour ID Pri State Dead Time Address Interface 172.16.40.1 5 Full/DR 0:00:31 172.16.48.1 Ethernet0 172.16.50.1 1 Full/DROTHER 0:00:33 172.16.48.10 Ethernet0 172.16.60.1 1 Full/BDR 0:00:33 172.16.48.200 Ethernet0 192.168.199.137 1 Full/- 0:00:33 192.168.1.2 Serial0/1 A. It is participating in OSPF over a point interface. B. The network commence if misconfigured on the local router. C. The network commence if misconfigured on the neighbouring router. D. OSPF authentication has been enabled on the local router but not on the neighbouring route.