Parte 2

Which address type does a switch use to make selective forwarding decisions?. Source IP address. Destination IP address. Source and destination IP address. Source MAC address. Destination MAC address.

A switch has 48 ports and 4 VLANs. How many collision and broadcast domains exist on the switch (collision, broadcast)?. 4, 48. 48, 4. 48, 1. 1, 48. 4, 1.

Which statement about IPv6 is true?. Addresses are not hierarchical and are assigned at random. Only one IPv6 address can exist on a given interface. There are 2.7 billion addresses available. Broadcasts have been eliminated and replaced with multicasts.

What is the purpose of assigning an IP address to a switch?. provides local hosts with a default gateway address. allows remote management of the switch. allows the switch to respond to ARP requests between two hosts. ensures that hosts on the same LAN can communicate with each other.

Refer to the exhibit. The internetwork is using subnets of the address 192.168.1.0 with a subnet mask of 255.255.255.224. The routing protocol in use is RIP version 1. Which address could be assigned to the FastEthernet interface on RouterA?. 192.168.1.31. 192.168.1.64. 192.168.1.127. 192.168.1.190. 192.168.1.192.

Which option is a valid IPv6 address?. 2001:0000:130F::099a::12a. 2002:7654:A1AD:61:81AF:CCC1. FEC0:ABCD:WXYZ:0067::2A4. 2004:1:25A4:886F::1.

Which IP addresses are valid for hosts belonging to the 10.1.160.0/20 subnet? (Choose three.). 10.1.168.0. 10.1.176.1. 10.1.174.255. 10.1.160.255. 10.1.160.0. 10.1.175.255.

Which router command will configure an interface with the IP address 10.10.80.1/19?. router(config-if)# ip address 10.10.80.1/19. router(config-if)# ip address 10.10.80.1 255.255.0.0. router(config-if)# ip address 10.10.80.1 255.255.255.0. router(config-if)# ip address 10.10.80.1 255.255.224.0. router(config-if)# ip address 10.10.80.1 255.255.240.0. router(config-if)# ip address 10.10.80.1 255.255.255.240.

If an Ethernet port on a router was assigned an IP address of 172.16.112.1/20, what is the maximum number of hosts allowed on this subnet?. 1024. 2046. 4094. 4096. 8190.

R1 is configured with the default configuration of OSPF. From the following list of IP addresses configured on R1, which address will the OSPF process select as the router ID?. 192.168.0.1. 172.16.1.1. 172.16.2.1. 172.16.2.225.

Identify the four valid IPv6 addresses. (Choose four.). A. ::. ::192:168:0:1. 2000::. 2001:3452:4952:2837::. 2002:c0a8:101::42. 2003:dead:beef:4dad:23:46:bb:101.

Which characteristics are representative of a link-state routing protocol? (Choose three.). provides common view of entire topology. exchanges routing tables with neighbors. calculates shortest path. utilizes event-triggered updates. utilizes frequent periodic updates.

Which command enables IPv6 forwarding on a Cisco router?. ipv6 host. ipv6 unicast-routing. ipv6 local. ipv6 neighbor.

Refer to the exhibit. If CDP is enabled on all devices and interfaces, which devices will appear in the output of a show cdp neighbors command issued from R2?. R2 and R3. R1 and R3. R3 and S2. R1, S1, S2, and R3. R1, S1, S2, R3, and S3.

Refer to the exhibit. What is the simplest way to configure routing between the regional office network 10.89.0.0/20 and the corporate network?. router1(config)#ip route 10.89.0.0 255.255.240.0 10.89.16.2. router2(config)#ip route 10.89.3.0 255.255.0.0 10.89.16.2. router1(config)#ip route 10.89.0.0 255.255.240.0 10.89.16.1. router2(config)#ip route 0.0.0.0 0.0.0.0 10.89.16.1.

How many bits are contained in each field of an IPv6 address?. 24. 4. 8. 16.

Which three approaches can be used while migrating from an IPv4 addressing scheme to an IPv6 scheme? (Choose three). static mapping of IPv4 address to IPv6 addresses. configuring IPv4 tunnels between IPv6 islands. use DHCPv6 to map IPv4 addresses to IPv6 addresses. use proxying and translation (NAT-PT) to translate IPv6 packets into IPv4 packets. configure IPv6 directly. enable dual-stack routing.

OSPF is configured using default classful addressing. With all routers and interfaces operational, how many networks will be in the routing table of R1 that are indicated to be learned by OSPF?. 2. 3. 4. 5. 6. 7.

Which three statements are correct about RIP version 2? (Choose three). It uses broadcast for its routing updates. It supports authentication. It is a classless routing protocol. It has a lower default administrative distance then RIP version 1. It has the same maximum hop count as RIP version 1. It does not send the subnet mask any updates.

Which two commands will display the current IP address and basic Layer 1 and 2 status of an interface? (Choose two.). router#show version. router#show ip interface. router#show protocols. router#show controllers. router#show running-config.

Refer to the exhibit. Assume that all router interfaces are operational and correctly configured. In addition, assume that OSPF has been correctly configured on router R2. How will the default route configured on R1 affect the operation of R2?. Any packet destined for a network that is not directly connected to router R2 will be dropped immediately. Any packet destined for a network that is not referenced in the routing table of router R2 will be directed to R1. R1 will then send that packet back to R2 and a routing loop will occur. Any packet destined for a network that is not directly connected to router R1 will be dropped. The networks directly connected to router R2 will not be able to communicate with the 172.16.100.0, 172.16.100.128, and 172.16.100.64 subnetworks. Any packet destined for a network that is not directly connected to router R2 will be dropped immediately because of the lack of a gateway on R1.

Refer to the exhibit. Which two statements are true about the loopback address that is configured on RouterB? (Choose two.). It ensures that data will be forwarded by RouterB. It provides stability for the OSPF process on RouterB. It specifies that the router ID for RouterB should be 10.0.0.1. It decreases the metric for routes that are advertised from RouterB. It indicates that RouterB should be elected the DR for the LAN.

Given an IP address of 192.168.1.42 255.255.255.248, what is the subnet address?. 192.168.1.8/29. 192.168.1.32/27. 192.168.1.40/29. 192.168.1.16/28. 192.168.1.48/29.

Which two statements describe the process identifier that is used in the command to configure OSPF on a router? (Choose two.) Router(config)# router ospf 1. All OSPF routers in an area must have the same process ID. Only one process number can be used on the same router. Different process identifiers can be used to run multiple OSPF processes. The process number can be any number from 1 to 65,535. E. Hello packets are sent to each neighbor to determine the processor identifier.

What is the default administrative distance of the OSPF routing protocol?. 90. 100. 110. 120. 130. 170.

What OSPF command, when configured, will include all interfaces into area 0?. network 0.0.0.0 255.255.255.255 area 0. network 0.0.0.0 0.0.0.0 area 0. network 255.255.255.255 0.0.0.0 area 0. network all-interfaces area 0.

To allow or prevent load balancing to network 172.16.3.0/24, which of the following commands could be used in R2? (Choose two.). R2(config-if)#clock rate. R2(config-if)#bandwidth. R2(config-if)#ip ospf cost. R2(config-if)#ip ospf priority. R2(config-router)#distance ospf.

Refer to the exhibit. The network is converged.After link-state advertisements are received from Router_A, what information will Router_E contain in its routing table for the subnets 208.149.23.64 and 208.149.23.96?. 208.149.23.64[110/13] via 190.173.23.10, 00:00:07, FastEthemet0/0 208.149.23.96[110/13] via 190.173.23.10, 00:00:16, FastEthemet0/0. 208.149.23.64[110/1] via 190.172.23.10, 00:00:07, Serial1/0 208.149.23.96[110/3] via 190.173.23.10, 00:00:16, FastEthemet0/0. 208.149.23.64[110/13] via 190.173.23.10, 00:00:07, Serial1/0 208.149.23.96[110/13] via 190.173.23.10, 00:00:16, Serial1/0 208.149.23.96[110/13] via 190.173.23.10, 00:00:16, FastEthemet0/0. 208.149.23.64[110/3] via 190.172.23.10, 00:00:07, Serial1/0 208.149.23.96[110/3] via 190.173.23.10, 00:00:16, Serial1/0.

An administrator is in the process of changing the configuration of a router. What command will allow the administrator to check the changes that have been made prior to saving the new configuration?. Router# show startup-config. Router# show current-config. Router# show running-config. Router# show memory. Router# show flash. Router# show processes.

A network administrator is troubleshooting the OSPF configuration of routers R1 and R2. The routers cannot establish an adjacency relationship on their common Ethernet link. The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2. Based on the information in the graphic, what is the cause of this problem?. The OSPF area is not configured properly. The priority on R1 should be set higher. The cost on R1 should be set higher. The hello and dead timers are not configured properly. A backup designated router needs to be added to the network. The OSPF process ID numbers must match.

What is the default maximum number of equal-cost paths that can be placed into the routing table of a Cisco OSPF router?. 2. 8. 16. unlimited.

Which command can you use to manually assign a static IPV6 address to a router interface?. ipv6 address PREFIX_1::1/64. ipv6 autoconfig 2001:db8:2222:7272::72/64. ipv6 autoconfig. ipv6 address 2001:db8:2222:7272::72/64.

Which two of these statements are true of IPv6 address representation? (Choose two.). There are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast. A single interface may be assigned multiple IPv6 addresses of any type. Every IPv6 interface contains at least one loopback address. The first 64 bits represent the dynamically created interface ID. Leading zeros in an IPv6 16 bit hexadecimal field are mandatory.

Router# show ip route. OSPF cost. OSPF priority. OSPF hop count. OSPF ID number. OSPF administrative distance.

Refer to the exhibit. PC1 pings PC2. What three things will CORE router do with the data that is received from PC1? (Choose three.). The data frames will be forwarded out interface FastEthernet0/1 of CORE router. The data frames will be forwarded out interface FastEthernet1/0 of CORE router. CORE router will replace the destination IP address of the packets with the IP address of PC2. . CORE router will replace the MAC address of PC2 in the destination MAC address of the frames. CORE router will put the IP address of the forwarding FastEthernet interface in the place of the source IP address in the packets. CORE router will put the MAC address of the forwarding FastEthernet interface in the place of the source MAC address.

Which statements describe the routing protocol OSPF? (Choose three.). It supports VLSM. It is used to route between autonomous systems. It confines network instability to one area of the network. It increases routing overhead on the network. It allows extensive control of routing updates. It is simpler to configure than RIP v2.

Which parameter or parameters are used to calculate OSPF cost in Cisco routers?. Bandwidth. Bandwidth and Delay. Bandwidth, Delay, and MTU. Bandwidth, MTU, Reliability, Delay, and Load.

Refer to the exhibit. Which default gateway address should be assigned to HostA?. 192.168.1.1. 192.168.1.65. 192.168.1.66. 192.168.1.129. 10.1.1.1. 10.1.1.2.

Scenario Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices. An OSPF neighbor adjacency is not formed between R3 in the main office and R6 in the Branch3 office. What is causing the problem?. There is an area ID mismatch. There is a PPP authentication issue; the username is not configured on R3 and R6. There is an OSPF hello and dead interval mismatch. The R3 router ID is configured on R6.

Which two statements describe the IP address 10.16.3.65/23? (Choose two.). The subnet address is 10.16.3.0 255.255.254.0. The lowest host address in the subnet is 10.16.2.1 255.255.254.0. The last valid host address in the subnet is 10.16.2.254 255.255.254.0. The broadcast address of the subnet is 10.16.3.255 255.255.254.0. The network is not subnetted.

Refer to the exhibit. A network associate has configured OSPF with the command: City(config-router)# network 192.168.12.64 0.0.0.63 area 0 After completing the configuration, the associate discovers that not all the interfaces are participating in OSPF. Which three of the interfaces shown in the exhibit will participate in OSPF according to this configuration statement? (Choose three.). FastEthernet0 /0. FastEthernet0 /1. Serial0/0. Serial0/1.102. Serial0/1.103. Serial0/1.104.

An administrator must assign static IP addresses to the servers in a network. For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP properties box for the sales server?. IP address: 192.168.20.14 Subnet Mask: 255.255.255.248 Default Gateway: 192.168.20.9. IP address: 192.168.20.254 Subnet Mask: 255.255.255.0 Default Gateway: 192.168.20.1. IP address: 192.168.20.30 Subnet Mask: 255.255.255.248 Default Gateway: 192.168.20.25. IP address: 192.168.20.30 Subnet Mask: 255.255.255.240 Default Gateway: 192.168.20.17. IP address: 192.168.20.30 Subnet Mask: 255.255.255.240 Default Gateway: 192.168.20.25.

Refer to the exhibit. Which command would you use to configure a static route on Router1 to network 192.168.202.0/24 with a nondefault administrative distance?. router1(config)#ip route 1 192.168.201.1 255.255.255.0 192.168.201.2. router1(config)#ip route 192.168.202.0 255.255.255.0 192.168.201.2 1. router1(config)#ip route 5 192.168.202.0 255.255.255.0 192.168.201.2. router1(config)#ip route 192.168.202.0 255.255.255.0 192.168.201.2 5.

Which two statements describe characteristics of IPv6 unicast addressing? (Choose two.). Global addresses start with 2000::/3. Link-local addresses start with FE00:/12. Link-local addresses start with FF00::/10. There is only one loopback address and it is ::1. If a global address is assigned to an interface, then that is the only allowable address for the interface.

Scenario Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices. R1 does not form an OSPF neighbor adjacency with R2. Which option would fix the issue?. R1 ethernetO/1 is shutdown. Configure no shutdown command. R1 ethernetO/1 configured with a non-default OSPF hello interval of 25: configure no ip ospf hello-interval 25. R2 ethernetO/1 and R3 ethernetO/O are configured with a non-default OSPF hello interval of 25; configure no ip ospf hello-interval 25. Enable OSPF for R1 ethernetO/1; configure ip ospf 1 area 0 command under ethernetO/1.

Which of the following describe the process identifier that is used to run OSPF on a router? (Choose two). It is locally significant. It is globally significant. It is needed to identify a unique instance of an OSPF database. It is an optional parameter required only if multiple OSPF processes are running on the router. All routers in the same OSPF area must have the same process ID if they are to exchange routing information.

The command ip route 192.168.100.160 255.255.255.224 192.168.10.2 was issued on a router. No routing protocols or other static routes are configured on the router. Which statement is true about this command?. The interface with IP address 192.168.10.2 is on this router. The command sets a gateway of last resort for the router. Packets that are destined for host 192.168.100.160 will be sent to 192.168.10.2. The command creates a static route for all IP traffic with the source address 192.168.100.160.

What are two benefits of using a single OSPF area network design? (Choose two.). It is less CPU intensive for routers in the single area. It reduces the types of LSAs that are generated. It removes the need for virtual links. It increases LSA response times. It reduces the number of required OSPF neighbor adjacencies.

What is the OSPF default frequency, in seconds, at which a Cisco router sends hello packets on a multi-access network?. 10. 40. 30. 20.

The internetwork infrastructure of company XYZ consists of a single OSPF area as shown in the graphic. There is concern that a lack of router resources is impeding internetwork performance. As part of examining the router resources, the OSPF DRs need to be known. All the router OSPF priorities are at the default and the router IDs are shown with each router. Which routers are likely to have been elected as DR? (Choose two.). Corp-1. Corp-2. Corp-3. Corp-4. Branch-1. Branch-2.