1. Which of the following installation steps are more likely required on a Cisco router, but not typically required on a Cisco switch? (Choose two answers.)
a. Connect Ethernet cables b. Connect serial cables c. Connect to the console port d. Connect the power cable e. Turn the on/off switch to “on”
2. Which of the following commands might you see associated with the router CLI, but not with the switch CLI?
a. The clock rate command b. The ip address address mask command c. The ip address dhcp command d. The interface vlan 1 command
3. You just bought two Cisco routers for use in a lab, connecting each router to a different LAN switch with their Fa0/0 interfaces. You also connected the two routers’ serial interfaces using a back-to-back cable. Which of the following steps are not required to be able to forward IPv4 packets on both routers’ interfaces? (Choose two answers.)
a. Configuring an IP address on each router’s Fast Ethernet and serial interfaces b. Configuring the bandwidth command on one router’s serial interface c. Configuring the clock rate command on one router’s serial interface d. Setting the interface description on both the Fast Ethernet and serial interface of each router
4. The output of the show ip interface brief command on R1 lists interface status codes of “down” and “down” for interface Serial 0/0. Which of the following could be true?
a. The shutdown command is currently configured for that interface. b. R1’s serial interface has been configured to use Frame Relay, but the router on the other end of the serial link has been configured to use PPP. c. R1’s serial interface does not have a serial cable installed. d. Both routers have been cabled to a working serial link (CSU/DSUs included), but only one router has been configured with an IP address.
5. Which of the following commands do not list the IP address and mask of at least one interface? (Choose two answers.)
a. show running-config b. show protocols type number c. show ip interface brief d. show interfaces e. show version
6. Which of the following is different on the Cisco switch CLI for a Layer 2 switch as compared with the Cisco router CLI?
a. The commands used to configure simple password checking for the console b. The number of IP addresses configured c. The configuration of the device’s hostname d. The configuration of an interface description
1. A PC user opens a command prompt and uses the ipconfig command to see that the PC’s IP address and mask are 192.168.4.77 and 255.255.255.224. The user then runs a test using the ping 192.168.4.117 command. Which of the following answers is the most likely to happen?
a. The PC sends packets directly to the host with address 192.168.4.117. b. The PC sends packets to its default gateway. c. The PC sends a DNS query for 192.168.4.117. d. The PC sends an ARP looking for the MAC address of the DHCP server.
2. Router R1 lists a route in its routing table. Which of the following answers list a fact from a route that the router then compares to the packet’s destination address? (Choose two answers.)
a. Mask b. Next-hop router c. Subnet ID d. Outgoing interface
3. Router 1 has a Fast Ethernet interface 0/0 with IP address 10.1.1.1. The interface is connected to a switch. This connection is then migrated to use 802.1Q trunking. Which of the following commands could be part of a valid configuration for Router 1’s Fa0/0 interface? (Choose two answers.)
a. interface fastethernet 0/0.4 b. dot1q enable c. dot1q enable 4 d. trunking enable e. trunking enable 4 f. encapsulation dot1q 4
4. A Layer 3 switch has been configured to route IP packets between VLANs 1, 2, and 3, which connect to subnets 172.20.1.0/25, 172.20.2.0/25, and 172.20.3.0/25, respectively. The engineer issues a show ip route command on the Layer 3 switch, listing the connected routes. Which of the following answers lists a piece of information that should be in at least one of the routes?
a. Interface Gigabit Ethernet 0/0.3 b. Next-hop router 172.20.4.1 c. Interface VLAN 2 d. Mask 255.255.255.0
5. An engineer configures a static IPv4 route on Router R1. Which of the following pieces of information should not be listed as a parameter in the configuration command that creates this static IPv4 route?
a. The destination subnet’s subnet ID b. The next-hop router’s IP address c. The next-hop router’s neighboring interface d. The subnet mask
6. Which of the following commands correctly configures a static route?
a. ip route 10.1.3.0 255.255.255.0 10.1.130.253 b. ip route 10.1.3.0 serial 0 c. ip route 10.1.3.0 /24 10.1.130.253 d. ip route 10.1.3.0 /24 serial 0
7. A network engineer configures the ip route 10.1.1.0 255.255.255.0 s0/0/0 command on a router, and then issues a show ip route command from enable mode. No routes for subnet 10.1.1.0/24 appear in the output. Which of the following could be true?
a. The ip route command has incorrect syntax and was rejected in config mode. b. interface s0/0/0 is down. c. The router has no up/up interfaces in Class A network 10.0.0.0. d. The ip route command is missing a next-hop router IP address.
1. Which of the following are features of RIPv2? (Choose two answers.)
a. Uses a hop-count metric b. Sends update messages to broadcast address 255.255.255.255 c. After convergence, only sends updates if a change occurs d. Uses split horizon as a loop prevention mechanism
2. Which of the following best describes the concept of the RIP hop count metric?
a. The number of satellite links in a route. b. The number of routers between a router and a subnet, not counting that router. c. The number of routers between a router and a subnet, counting that router. d. The number of links between a router and a subnet, not counting the link where the subnet resides. e. The number of links between a router and a subnet, counting the link where the subnet resides.
3. Router R2 has interfaces with addresses/masks of 10.1.1.2/24 and 11.1.1.2/24. Which of the following commands would be part of a RIP Version 2 configuration on R2 that enables RIPv2 on both interfaces? (Choose three answers.)
a. router rip b. router rip 3 c. network 10.0.0.0 d. network 10.1.1.1 e. network 11.0.0.0 f. network 11.1.1.2
4. Which of the following network commands, following a router rip command, would cause RIP to send updates out two interfaces whose IP addresses are 10.1.2.1 and 10.1.1.1, mask 255.255.255.0?
a. network 10.0.0.0 b. network 10.1.1.0 10.1.2.0 c. network 10.1.1.1. 10.1.2.1 d. network 10.1.0.0 255.255.0.0 e. network 10
5. Review the snippet from a show ip route command on a router: R 10.1.2.0 [120/1] via 10.1.128.252, 00:00:13, Serial0/0/1 Which of the following statements must be true regarding this output? (Choose two answers.)
a. The administrative distance is 1. b. The administrative distance is 120. c. The metric is 1. d. The metric is not listed. e. The router added this route to the routing table 13 seconds ago. f. The router must wait 13 seconds before advertising this route again.
6. Review the snippet from a show ip protocols command on a router:
Automatic network summarization is not in effect Maximum path: 5 Routing for Networks: 192.168.1.0 192.168.5.0 Passive Interface(s): GigabitEthernet0/1 --Which of the following commands would you expect the show running-config command to list in RIP configuration mode? (Choose two answers.) --
a. auto-summary b. network 192.168.5.1 c. maximum-paths 5 d. passive-interface gigabitethernet0/1
7. Routers R1 and R2 use RIPv2, and should exchange routes with each other. R1 and R2 connect on an Ethernet link, with both routers using their G0/0 interfaces. R2 learns routes from R1, but R1 does not learn routes from R2. Which of the following mistakes could result in this symptom?
a. R2 has configured a passive-interface gigabitethernet0/0 command. b. R1’s and R2’s IP address/mask values are 10.1.1.1/25 and 10.1.1.201/25, respectively. c. R1’s has no RIP network command that matches R1’s G0/0 interface IP address. d. R2 is missing a no auto-summary command.
1. A PC connects to a LAN and uses DHCP to lease an IP address for the first time. Of the usual four DHCP messages that flow between the PC and the DHCP server, which ones do the client send? (Choose two answers.)
a. Acknowledgment b. Discover c. Offer d. Request
2. An enterprise puts the DHCP and DNS servers on VLAN 10/subnet 10 in Atlanta, using IP address 10.1.10.1 for the DHCP server and 10.1.10.2 for the DNS server. A remote router sits in Boston, with devices on the Boston LAN using the DHCP and DNS servers in Atlanta. Which of the following needs to be configured in the routers in this enterprise to support DHCP and DNS?
a. The ip helper-address 10.1.10.1 command in the Atlanta router b. The ip helper-address 10.1.10.2 command in the Boston router c. The ip name-server 10.1.10.2 command in the Atlanta router d. The ip dhcp-server 10.1.10.1 command in the Boston router e. None of the other answers are correct.
3. Fred decides to migrate from an old DHCP server platform to use a Cisco router at the headquarters building. This DHCP server, created with configuration in IOS on a Cisco router, supports 200 remote subnets. Which of the following settings are made outside of a per-subnet pool of addresses?
a. Client IP address b. Addresses in that subnet excluded from being leased by the server c. Default router d. DNS server e. Length of address lease
4. PC1, a new PC, just booted for the first time when connected to an enterprise network. PC1 used DHCP to lease IP address 10.1.1.1, learning mask 255.255.255.0, DNS server 10.9.9.9, and default gateway 10.1.1.2, with a lease time of 7 days. Assume that the PC has sent nothing else over the network because the DHCP process completed. The user then opens a web browser and types www.ciscopress.com. Which of the following actions happens next?
a. PC1 sends an ARP request to find the web server’s MAC address. b. PC1 sends an ARP request to find the default gateway’s (10.1.1.2) MAC address. c. PC1 sends a DNS request about www.ciscopress.com to the DNS server (10.9.9.9). d. PC1 sends an IP packet to the www.ciscopress.com web server IP address.
5. A packet is sent to a destination address. That single packet is routed through the network to the final router, which then sends the packet to all hosts connected to that one subnet. Which of the following IP address types was used as the destination IP address?
a. A unicast address b. A network broadcast address c. A subnet broadcast address d. A multicast address
6. A packet is sent to a destination address. That single packet is replicated by a few routers based on the routers’ knowledge of hosts that had earlier registered to receive packets sent to that destination address. The routers do not forward copies of the packet onto subnets where no hosts have registered, and do forward copies of the packet onto subnets where at least one host has registered to receive those packets. Which of the following IP address types was used as the destination IP address?
a. A unicast address b. A network broadcast address c. A subnet broadcast address d. A multicast address
Part 2 Questions Continued:
Operating Cisco Routers:1. B, E 2. A 3. B, D 4. C 5. C, E 6. BConfiguring IPv4 Addresses & Static Routes:1. B 2. A, C 3. A, F 4. C 5. C 6. A 7. BLearning IPv4 Routes with RIPv2:1. A, D 2. B 3. A, C, E 4. A 5. B, C 6. C, D 7. ADHCP and IP Networking on Hosts:1. B, D 2. E 3. B 4. B 5. C 6. D