Quiz
Router & Routing Basics CH 6, 7, 8 Exam
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Perguntas do quiz (59)
1What are two advantages of static routing over dynamic routing? (Choose two.)
- AStatic routing is more secure because it does not advertise over the network.
- BStatic routing is relatively easy to configure for large networks.
- CStatic routing requires very little knowledge of the network for correct implementation.
- DStatic routing uses fewer router resources than dynamic routing.
- EStatic routing scales well with expanding networks.
2Refer to the exhibit. Which is the best way for PC A and PC B to successfully communicate with sites on the Internet?
- AConfigure a default route from R1 to ISP and a static route from ISP to R1.
- BConfigure a static route from R1 to ISP and a dynamic route from ISP to R1.
- CConfigure a routing protocol between R1 and ISP and advertise all the routes.
- DConfigure a dynamic route from R1 to ISP and a static route from ISP to R1.
3Refer to the exhibit. The small company shown uses static routing. Users on the R2 LAN have reported a problem with connectivity. What is the issue?
- AR1 and R2 must use a dynamic routing protocol.
- BR1 needs a default route to R2.
- CR2 needs a static route to the Internet.
- DR2 needs a static route to the R1 LANs
- ER1 needs a static route to the R2 LAN.
4Refer to the exhibit. The network engineer for the company that is shown wants to use the primary ISP connection for all external connectivity. The backup ISP connection is used only if the primary ISP connection fails. Which set of commands would accomplish this goal?
- Aip route 198.133.219.24 255.255.255.252
ip route 64.100.210.80 255.255.255.252 - Bip route 198.133.219.24 255.255.255.252
ip route 64.100.210.80 255.255.255.252 10 - Cip route 0.0.0.0 0.0.0.0 s0/0/0
ip route 0.0.0.0 0.0.0.0 s0/1/0 - Dip route 0.0.0.0 0.0.0.0 s0/0/0
ip route 0.0.0.0 0.0.0.0 s0/1/0 10 ******
- Aip route 198.133.219.24 255.255.255.252
5What type of route allows a router to forward packets even though its routing table contains no specific route to the destination network?
- Ageneric route
- Bdestination route
- Cdynamic route
- Ddefault route
6Refer to the graphic. Which command would be used on router A to configure a static route to direct traffic from LAN A that is destined for LAN C?
- AA(config)# ip route 192.168.3.2 255.255.255.0 192.168.4.0
- BA(config)# ip route 192.168.5.0 255.255.255.0 192.168.3.2
- CA(config)# ip route 192.168.3.0 255.255.255.0 192.168.3.1
- DA(config)# ip route 192.168.4.0 255.255.255.0 192.168.3.2
- EA(config)# ip route 192.168.4.0 255.255.255.0 192.168.5.2
7The network administrator configures the router with the ip route 172.16.1.0 255.255.255.0 172.16.2.2 command. How will this route appear in the routing table?
- AS 172.16.1.0 is directly connected, Serial0/0
- BS 172.16.1.0 [1/0] via 172.16.2.2
- CC 172.16.1.0 [1/0] via 172.16.2.2
- DC 172.16.1.0 is directly connected, Serial0/0
8Refer to the exhibit. The network administrator needs to configure a default route on the Border router. Which command would the administrator use to configure a default route that will require the least amount of router processing when forwarding packets?
- ABorder(config)# ip route 0.0.0.0 0.0.0.0 s0/0/1*
- BBorder(config)# ip route 0.0.0.0 0.0.0.0 198.133.219.5
- CBorder(config)# ip route 0.0.0.0 0.0.0.0 s0/0/0
- DBorder(config)# ip route 0.0.0.0 0.0.0.0 198.133.219.6
9Why would a floating static route be configured with an administrative distance that is higher than the administrative distance of a dynamic routing protocol that is running on the same router?
- Ato be the priority route in the routing table
- Bto be used as a backup route
- Cto act as a gateway of last resort
- Dto load-balance the traffic
10Refer to the exhibit. What command would be used to configure a static route on R1 so that traffic from both LANs can reach the 2001:db8:1:4::/64 remote network?
- Aipv6 route 2001:db8:1::/65 2001:db8:1:3::1
- Bipv6 route 2001:db8:1:4::/64 2001:db8:1:3::2
- Cipv6 route 2001:db8:1:4::/64 2001:db8:1:3::1
- Dipv6 route ::/0 serial0/0/0
11Refer to the exhibit. Which default static route command would allow R1 to potentially reach all unknown networks on the Internet?
- AR1(config)# ipv6 route 2001:db8:32::/64 G0/1 fe80::2
- BR1(config)# ipv6 route ::/0 G0/0 fe80::2
- CR1(config)# ipv6 route ::/0 G0/1 fe80::2
- DR1(config)# ipv6 route 2001:db8:32::/64 G0/0
12Which two statements describe classful IP addresses? (Choose two.)
- AAll subnets in a network are the same size.
- BOnly Class A addresses can be represented by high-order bits 100.
- CThree of the five classes of addresses are reserved for multicasts and experimental use.
- DThe number of bits used to identify the hosts is fixed by the class of the network.
- EUp to 24 bits can make up the host portion of a Class C address.
- FIt is possible to determine which class an address belongs to by reading the first bit.
13A company has several networks with the following IP address requirements:
IP phones – 50
PCs – 70
IP cameras – 10
wireless access points – 10
network printers – 10
network scanners – 2
Which block of addresses would be the minimum to accommodate all of these devices if each type of device was on its own network?- A172.16.0.0/23
- B172.16.0.0/24
- C172.16.0.0/22
- D172.16.0.0/25
14What does VLSM allow a network administrator to do?
- Autilize one public IP address to translate multiple private addresses
- Butilize multiple different subnet masks in the same IP address space
- Cutilize one dynamic routing protocol throughout the entire network
- Dutilize multiple routing protocols within an autonomous system
- Eutilize one subnet mask throughout a hierarchical network
15What would be the best summary route for the following networks?
10.50.168.0/23
10.50.170.0/23
10.50.172.0/23
10.50.174.0/24- A10.50.160.0/22
- B10.50.164.0/23
- C10.50.168.0/16
- D10.50.168.0/21
- E10.50.168.0/22
- F10.50.168.0/23
16What is a valid summary route for IPv6 networks 2001:0DB8:ACAD:4::/64, 2001:0DB8:ACAD:5::/64, 2001:0DB8:ACAD:6::/64, and 2001:0DB8:ACAD:7::/64?
- A2001:0DB8:ACAD:0000::/63
- B2001:0DB8:ACAD:0000::/64
- C2001:0DB8:ACAD:0004::/62
- D2001:0DB8:ACAD:0004::/63
17Which type of static route that is configured on a router uses only the exit interface?
- Adirectly connected static route
- Bfully specified static route
- Cdefault static route
- Drecursive static route
18Which three IOS troubleshooting commands can help to isolate problems with a static route? (Choose three.)
- Ashow ip route
- Bshow ip interface brief
- Cping
- Dtracert
- Eshow arp
- Fshow version
19Refer to the exhibit. What two commands will change the next-hop address for the 10.0.0.0/8 network from 172.16.40.2 to 192.168.1.2? (Choose two.)
- AA(config)# ip route 10.0.0.0 255.0.0.0 192.168.1.2
- BA(config)# ip route 10.0.0.0 255.0.0.0 s0/0/0
- CA(config)# no ip address 10.0.0.1 255.0.0.0 172.16.40.2
- DA(config)# no network 10.0.0.0 255.0.0.0 172.16.40.2
- EA(config)# no ip route 10.0.0.0 255.0.0.0 172.16.40.2
20What happens to a static route entry in a routing table when the outgoing interface is not available?
- AThe router polls neighbors for a replacement route.
- BThe router redirects the static route to compensate for the loss of the next hop device.
- CThe route is removed from the table.
- DThe route remains in the table because it was defined as static.
21What is the purpose of the passive-interface command?
- Aallows interfaces to share IP addresses
- Ballows an interface to remain up without receiving keepalives
- Callows a router to send routing updates on an interface but not receive updates via that interface
- Dallows a routing protocol to forward updates out an interface that is missing its IP address
- Eallows a router to receive routing updates on an interface but not send updates via that interface
22What two tasks do dynamic routing protocols perform? (Choose two.)
- Aassign IP addressing
- Bnetwork discovery
- Cpropagate host default gateways
- Dupdate and maintain routing tables
- Ediscover hosts
23The command “[blank_start]version 2[blank_end]” is used in RIP router configuration mode to enable the sending of subnet masks with the routing updates.
- Aversion 2
24Refer to the exhibit. OSPF is used in the network. Which path will be chosen by OSPF to send data packets from Net A to Net B?
- AR1, R3, R5, R7
- BR1, R4, R6, R7
- CR1, R2, R5, R7
- DR1, R3, R6, R7
- ER1, R3, R5, R6, R7
25Which two statements are true regarding classless routing protocols? (Choose two.)
- Aallows for use of both 192.168.1.0/30 and 192.168.1.16/28 subnets in the same topology
- Bsends subnet mask information in routing updates
- Cis supported by RIP version 1
- Dreduces the amount of address space available in an organization
- Esends complete routing table update to all neighbors
26What two actions result from entering the network 192.168.1.0 command in RIP configuration mode on a router? (Choose two.)
- AThe neighboring routers are sent a request for routing updates.
- BThe routing table is created in the RAM of the router.
- CRouting updates are sent through all the interfaces belonging to 192.168.1.0.
- DThe RIP process is stopped and all existing RIP configurations are erased.
- EThe network address 192.168.1.0 is advertised to the neighbor routers
27Refer to the exhibit. Based on the partial output from the show ip route command, what two facts can be determined about the RIP routing protocol? (Choose two.)
- AThe command no auto-summary has been used on the RIP neighbor router.*
- BRIP version 1 is running on this router and its RIP neighbor.
- CRIP will advertise two networks to its neighbor.
- DThe metric to the network 172.16.0.0 is 120.
- ERIP version 2 is running on this router and its RIP neighbor.
28In the context of routing protocols, what is a definition for time to convergence?
- Athe capability to transport data, video, and voice over the same media
- Bthe amount of time for the routing tables to achieve a consistent state after a topology change
- Ca measure of protocol configuration complexity
- Dthe amount of time a network administrator needs to configure a routing protocol in a small- to medium-sized network
29Fill in the blank. Do not abbreviate.
When configuring RIPng, the ” [blank_start]default-information originate[blank_end] ” command instructs the router to propagate a static default route.- Adefault-information originate
30A destination route in the routing table is indicated with a code D. Which kind of route entry is this?
- Aa route dynamically learned through the EIGRP routing protocol
- Ba route used as the default gateway
- Ca network directly connected to a router interface
- Da static route
31Refer to the exhibit. Which interface will be the exit interface to forward a data packet with the destination IP address 172.16.0.66?
- ASerial0/0/0
- BSerial0/0/1
- CGigabitEthernet0/0
- DGigabitEthernet0/1
32Which route is the best match for a packet entering a router with a destination address of 10.16.0.2?
- AS 10.16.0.0/16 is directly connected, Ethernet 0/1
- BS 10.16.0.0/24 [1/0] via 192.168.0.9
- CS 10.0.0.0/8 [1/0] via 192.168.0.2
- DS 10.0.0.0/16 is directly connected, Ethernet 0/0
33Which two requirements are necessary before a router configured with a link-state routing protocol can build and send its link-state packets? (Choose two.)
- AThe router has determined the costs associated with its active links.
- BThe router has constructed an SPF tree.
- CThe router has established its adjacencies.
- DThe routing table has been refreshed.
- EThe router has built its link-state database.
34Which two requirements are used to determine if a route can be considered as an ultimate route in a router’s routing table? (Choose two.)
- Acontain a next-hop IP address
- Bcontain subnets
- Cbe a classful network entry
- Dbe a default route
- Econtain an exit interface
35What is different between IPv6 routing table entries compared to IPv4 routing table entries?
- ABy design IPv6 is classless so all routes are effectively level 1 ultimate routes.
- BIPv6 does not use static routes to populate the routing table as used in IPv4.
- CIPv6 routing tables include local route entries which IPv4 routing tables do not.
- DThe selection of IPv6 routes is based on the shortest matching prefix, unlike IPv4 route selection which is based on the longest matching prefix.
36Which dynamic routing protocol was developed as an exterior gateway protocol to interconnect different Internet providers?
- ARIP
- BOSPF
- CEIGRP
- DBGP
37Which route will a router use to forward an IPv4 packet after examining its routing table for the best match with the destination address?
- Aa level 1 child route
- Ba level 1 parent route
- Ca level 2 supernet route
- Da level 1 ultimate route
38Which two statements describe the OSPF routing protocol? (Choose two.)
- Aused primarily as an EGP
- Bhas an administrative distance of 100
- Ccalculates its metric using bandwidth
- Dautomatically summarizes networks at the classful boundaries
- Euses Dijkstra’s algorithm to build the SPF tree
39Which two events will trigger the sending of a link-state packet by a link-state routing protocol? (Choose two.)
- Athe requirement to periodically flood link-state packets to all neighbors
- Ba change in the topology
- Cthe initial startup of the routing protocol process
- Dthe router update timer expiring
- Ea link to a neighbor router has become congested
40Which OSPF component is identical in all routers in an OSPF area after convergence?
- Arouting table
- Blink-state database
- CSPF tree
- Dadjacency database
41Which three statements describe features of the OSPF topology table? (Choose three.)
- AWhen converged, all routers in an area have identical topology tables.
- BIts contents are the result of running the SPF algorithm.
- CAfter convergence, the table only contains the lowest cost route entries for all known networks.
- DIt is a link-state database that represents the network topology.
- EThe topology table contains feasible successor routes.
- FThe table can be viewed via the show ip ospf database command.
42A router is participating in an OPSFv2 domain. What will always happen if the dead interval expires before the router receives a hello packet from an adjacent DROTHER OPSF router?
- ASPF will run and determine which neighbor router is “down”.
- BOSPF will run a new DR/BDR election
- COSPF will remove that neighbor from the router link-state database.
- DA new dead interval timer of 4 times the hello interval will start.
43Which command will provide information specific to OSPFv3 routes in the routing table?
- Ashow ip route ospf
- Bshow ip route
- Cshow ipv6 route ospf
- Dshow ipv6 route
44Which wildcard mask would be used to advertise the 192.168.5.96/27 network as part of an OSPF configuration?
- A0.0.0.32
- B0.0.0.31
- C255.255.255.223
- D255.255.255.224
45A network administrator enters the command ipv6 router ospf 64 in global configuration mode. What is the result of this command?
- AThe OSPFv3 process will be assigned an ID of 64.
- BThe router will be assigned a router ID of 64.
- CThe router will be assigned an autonomous system number of 64.
- DThe reference bandwidth will be set to 64 Mb/s.
46The election of a DR and a BDR takes place on ” [blank_start]multiaccess[blank_end] ” networks, such as Ethernet networks.
- Amultiaccess
47OSPF uses ” [blank_start]cost[blank_end] ” as a metric.
- Acost
48Which command should be used to check the OSPF process ID, the router ID, networks the router is advertising, the neighbors the router is receiving updates from, and the default administrative distance?
- Ashow ip protocols
- Bshow ip ospf interface
- Cshow ip ospf
- Dshow ip ospf neighbor
49Which OSPFv3 function works differently from OSPFv2?
- Aauthentication
- Bmetric calculation
- Chello mechanism
- Delection process
- EOSPF packet types
50Fill in the blank. Do not use abbreviations.
To quickly verify OSPFv3 configuration information including the OSPF process ID, the router ID, and the interfaces enabled for OSPFv3, you need to issue the command ” [blank_start]show ipv6 protocols[blank_end] ”- Ashow ipv6 protocols
51Which three statements describe the similarities between OSPFv2 and OSPFv3? (Choose three.)
- AThey both have unicast routing enabled by default.
- BThey both use the exit interface address as the source address when sending OSPF messages.
- CThey both use the same DR/BDR election process.
- DThey both support IPsec for authentication.
- EThey both share the concept of multiple areas.
- FThey both are link-state protocols.
52What is a function of OSPF hello packets?
- Ato send specifically requested link-state records
- Bto discover neighbors and build adjacencies between them
- Cto request specific link-state records from neighbor routers
- Dto ensure database synchronization between routers
53What are the two purposes of an OSPF router ID? (Choose two.)
- Ato uniquely identify the router within the OSPF domain
- Bto enable the SPF algorithm to determine the lowest cost path to remote networks
- Cto facilitate the transition of the OSPF neighbor state to Full
- Dto facilitate router participation in the election of the designated router
- Eto facilitate the establishment of network convergence
54Which command will verify that a router that is running OSPFv3 has formed an adjacency with other routers in its OSPF area?
- Ashow ipv6 ospf neighbor
- Bshow ipv6 route ospf
- Cshow ipv6 interface brief
- Dshow running-configuration
55Single area OSPFv3 has been enabled on a router via the ipv6 router ospf 20 command. Which command will enable this OSPFv3 process on an interface of that router?
- Aipv6 ospf 20 area 0
- Bipv6 ospf 20 area 20
- Cipv6 ospf 0 area 20
- Dipv6 ospf 0 area 0
56When a network engineer is configuring OSPFv3 on a router, which command would the engineer issue immediately before configuring the router ID?
- Aipv6 router ospf 10
- Bipv6 ospf 10 area 0
- Cinterface serial 0/0/1
- Dclear ipv6 ospf process
57Which criterion is preferred by the router to choose a router ID?
- Athe IP address of the highest configured loopback interface on the router
- Bthe router-id rid command
- Cthe IP address of the highest active OSPF-enabled interface
- Dthe IP address of the highest active interface on the router
58Which OPSF packet contains the different types of link-state advertisements?
- ALSR
- BLSU
- CDBD
- DLSAck
- Ehello
59What does a Cisco router use automatically to create link-local addresses on serial interfaces when OSPFv3 is implemented?
- Aan Ethernet interface MAC address available on the router, the FE80::/10 prefix, and the EUI-64 process
- Bthe MAC address of the serial interface, the FE80::/10 prefix, and the EUI-64 process
- Cthe FE80::/10 prefix and the EUI-48 process
- Dthe highest MAC address available on the router, the FE80::/10 prefix, and the EUI-48 process
Informações
- Descrição
- Router & Routing Basics CH 6, 7, 8 Exam
- Autor
- Anthony Schulmeister
- Idioma
- English
- Visualizações
- 511
- Etiquetas
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