Quiz
CCNA Answers – CCNA Exam
Questions in this quiz (49)
1Refer to the exhibit. R1 and R2 are connected via serial interfaces. Both interfaces show that there is Layer 2 connectivity between them. The administrator verifies that CDP is operational; however, pings between the two interfaces are unsuccessful. What is the cause of this connectivity problem?
- Ano set loopback
- Bincorrect subnet mask on R2
- Cincompatible bandwidth
- Dincorrect IP address on R1
- Eincompatible encapsulation
2What are two benefits of using ACLs? (Choose two.)
- AThey provide IP filtering.
- BThey reduce the processing load on the router.
- CThey simplify the configuration of inter-VLAN routing.
- DThey prevent routing loops and facilitate convergence.
- EThey identify traffic for multiple uses such as QoS and NAT.
3Refer to the exhibit. A network support technician has been asked to set an IP address on one of the FastEthernet interfaces on a new router. What is causing the interface to reject the address?
- AThe IP address is already in use.
- BThe technician is using a network address.
- CThe technician is using the wrong subnet mask for /26.
- DThe technician must enable VLSM on the interface.
4Refer to the exhibit. What are the DR and the BDR on the network? (Choose two.)
- AThe DR is router 1.
- BThe DR is router 2.
- CThe DR is router 3.
- DThe BDR is router 1.
- EThe BDR is router 2.
- FThe BDR is router 3.
5 What two types of information would a network administrator receive after excuting a show version command on a Cisco router? (Choose two.)
- Athe quantity of available memory
- Bthe operational status of each interface
- Cthe number and type of available interfaces
- Dthe IP addresses of the LAN and WAN interfaces
- Ethe list of MAC addresses of each connected PC
- Fthe list of networks advertised by the routing protocol
6Refer to the exhibit. What is represented by the Null0 route for the 128.107.0.0 network?
- Aa child route that is defined
- Ba parent route that is defined and sourced from a physical interface
- Ca summary route for advertising purposes, not an actual path
- Dthe result of the no auto-summary command on a router
7Refer to the exhibit. EIGRP has been configured on all routers in the network. Router R1 cannot form a neighbor relationship with router R2. On the basis of the show ip protocols command output that is provided, what could be the cause of the problem?
- AAutomatic summarization is enabled on both routers.
- BThe processes on both routers are configured for incorrect networks.
- CThere is a different autonomous system number on each router.
- DThe metric value for K2, K4, and K5 parameters on both routers is set to “0."
8What is the function of mutilink PPP?
- AIt allows VLAN ID information to be forwarded between multiple routers on the WAN.
- BIt allows multiple physical links to be used as a single logical link.
- CIt allows multiple remote users to share the same VPN tunnel.
- DIt allows an enterprise to connect to multiple ISPs
9After comparing a previous baseline to current network statistics, the network engineer has discovered a significant increase in unwarranted traffic to the extranet. Which two steps simplify administration and control the unwanted traffic? (Choose two.)
- Adefine an ACL at the distribution layer to isolate packets
- Badd an ACL at the router in the enterprise edge to block the traffic
- Cdeploy a Layer 3 switch to contain broadcasts
- Dconnect remote locations directly to the intranet
- Econfigure all hosts with the same default gateway to eliminate unnecessary broadcasts
- Fdeploy one core ISP router to reduce the delay in path determination
10Refer to the exhibit. Router1 and Router2 are both running RIPv2 with autosummarization disabled. Which subnet mask will Router1 associate with network 192.168.4.16/28?
- A255.255.0.0
- B255.255.240.0
- C255.255.255.0
- D255.255.255.240
- E255.255.255.248
11What are two WAN protocols that define parameters for data encapsulation? (Choose two.)
- APPP
- BV.35
- CX.21
- DHDLC
- EEIA/TIA-232
12Which two STP states allow a switch to learn MAC addresses? (Choose two.)
- Ablocking
- Blistening
- Clearning
- Ddisabled
- Eforwarding
13What should be considered when designing an addressing scheme that uses private IP address space?
- APrivate IP addresses are globally routable.
- BAddress summarization is not recommended.
- CHierarchical design principles should be utilized.
- DDiscontiguous networks are no longer problematic.
14Which type of distance vector routing mechanism helps prevent the formation of loops by preventing routing information from exiting a router interface through the same interface on which it was received?
- Asplit horizon
- Bhold-down timer
- Cpoisoned reverse
- Dsetting maximum hop count
15What is the purpose of assigning an IP address to a Layer 2 switch?
- Ato allow in-band management
- Bto provide inter-VLAN connectivity
- Cto facilitate election of a root bridge
- Dto configure a default gateway for the network
16Refer to the exhibit. Assuming that all three routers are configured with the EIGRP routing protocol and sharing information, what information can be gathered from the show command output?
- ARouter B has EIGRP adjacencies with both router A and C.
- BRouter B has a fully converged topology table.
- CRouter B has not formed an adjacency with router A.
- DRouter B has not formed an adjacency with router C.
17What do companies gain from the services performed at the enterprise edge?
- Afaster communication with server farms
- Bstronger security against malicious attacks
- Cfaster communication with Internet destinations
- Denhanced performance and reliability through VLANs and redundant trunk links
18A network administrator is creating an addressing scheme and has determined that the company network 192.168.1.0/24 will require 8 subnets with at least 25 hosts on each subnet. Which subnet mask will meet these requirements?
- A/25
- B/26
- C/27
- D/28
- E/29
19Refer to the exhibit. Which route will appear in the routing table?
- AR 10.10.4.0/24 [120/1] via 10.10.10.1, 00:00:12, FastEthernet0/1
- BR 10.10.4.0/24 [120/1] via 10.10.20.1, 00:00:12, FastEthernet0/0
- CR 10.10.4.0/24 [120/2] via 10.10.20.1, 00:00:12, FastEthernet0/0
- DR 10.10.4.0/24 [120/3] via 10.10.30.1, 00:00:12, FastEthernet1/0
- ER 10.10.4.0/24 [120/1] via 10.10.30.1, 00:00:12, FastEthernet1/0
20Refer to the exhibit. A network administrator wishes to deny Internet access to all R2 LAN hosts, while allowing these hosts to reach all other devices on the company networks. Where should the ACL shown in the exhibit be placed to meet these requirements?
- AR2: Fa0/0 inbound
- BR1: S0/1/0 outbound
- CR1: S0/0/1 inbound
- DR2: S0/0/1 outbound
- ER2: Fa0/0 outbound
21Refer to the exhibit. Which IP address can be assigned to the Fa0/0 interface of R1 to enable host A to access host B?
- A192.168.1.32/26
- B192.168.1.64/26
- C192.168.1.126/26
- D192.168.1.129/26
22Refer to the exhibit. What is the result of configuring the newly installed R1 with the exhibited command?
- AIt will set the gateway of last resort for R1.
- BIt will configure the IP address 10.1.1.2 on one interface of R1.
- CIt configures the router to forward traffic that is destined for the 192.168.1.128/26 network through the interface with IP address 10.1.1.2.
- DIt configures a static route for all packets with the source network address 192.168.1.128/26.
23Refer to the exhibit. EIGRP has been configured on all routers in the network. An EIGRP summary route is configured on the HQ router. How will packets destined for the 192.168.0.10/24 network be handled by router HQ?
- AThe traffic will be forwarded to router R2 using the default route.
- BThe traffic will be forwarded to the BR1 and BR2 branch routers.
- CThe traffic will be forwarded to the BR3 and BR4 branch routers.
- DThe traffic will be forwarded to routers BR1, BR2, BR3, and BR4.
- EThe traffic will be forwarded to the Null0 interface and will be discarded.
24What is the function of VTP in a LAN switching environment?
- Acontrols broadcasts
- Bstandardizes VLAN tags
- Csimplifies VLAN management
- Dcreates subinterfaces for inter-VLAN routing
25Refer to the exhibit. In what sequence (from first to last) does an OSPF router check the parameters listed when selecting the DR?
- AC, B, A, D
- BD, C, B, A
- CA, B, C, D
- DA, C, B, D
- EB, C, A, D
26Which two statements correctly describe RIPv1 and RIPv2? (Choose two.)
- ABoth broadcast their entire routing table from all participating interfaces to 255.255.255.255.
- BBoth advertise their routing updates out all active interfaces every 30 seconds.
- CBoth have the same administrative distance value of 120.
- DBoth can turn off automatic summarization.
- EBoth support VLSM and CIDR.
27Refer to the exhibit. Identify the path the frames will take from PC1 to PC2 in an OSPF network.
- AR1, R5
- BR1, R3, R5
- CR1, R4, R5
- DR1, R2, R3, R5
28Refer to the exhibit. How will Switch2 respond to the VTP advertisement sent by Switch1?
- AIt will ignore the VTP advertisement.
- BIt will add two VLANs to its database.
- CIt will change its configuration revision number to 4.
- DIt will send the VTP advertisement to Switch1 to delete the two VLANs.
29Which device or component is located at the customer premises and provides the clocking signal for the customer router on a WAN circuit?
- ADTE serial interface
- BCSU/DSU
- Ccentral office switch
- Dinternal clock on the router
- Epatch panel at the point of demarcation
30Refer to the exhibit. Server7 has been added to the server farm network. The hosts can ping Servers 2 and 3 and Server2 and Server3 can ping each other. Server7 cannot ping the other servers connected to the switch. What is the cause of this problem?
- AThe Fa0/1 port on the switch should be in access mode.
- BThe switch IP address is not on the same subnet as Server7.
- CThe switch port used for Server7 is not in the same VLAN as Server2 and Server3.
- DThe Fa0/0 interface of the router has not been configured for subinterfaces to support inter-VLAN routing.
31What are two features of an extended IP ACL? (Choose two.)
- AIt uses numbers 1 through 99 for identification.
- BIt can permit or deny traffic based on source or destination address.
- CIt detects malicious attacks against the network and logs them on a server.
- DIt can filter traffic based on the protocol and port numbers.
- EIt encrypts traffic between hosts.
32Which two statements correctly describe RIPv1 and RIPv2? (Choose two.)
- ABoth broadcast their entire routing table from all participating interfaces to 255.255.255.255.
- BBoth advertise their routing updates out all active interfaces every 30 seconds.
- CBoth have the same administrative distance value of 120.
- DBoth can turn off automatic summarization.
- EBoth support VLSM and CIDR.
33Refer to the exhibit. The network administrator has configured R1, R2, and R3 to use RIPv2, and the network is fully converged. The hosts on the internal network are able to access R2, but they are unable to access the Internet.
How can the administrator solve this problem?
- AEnable the Serial0/0/0 interface of R2.
- BConfigure a default route on R2 via Serial0/0/0 and propagate it to R1 and R3 using RIPv2.
- CConfigure a default route on the ISP via Serial0/0/0.
- DConfigure the correct subnet mask on the Serial0/0/0 interface of R2.
34Which characteristic is associated with a floating static route?
- Aalways appears in the routing table
- Bhas an administrative distance of 0
- Cis considered the primary route because of its low administrative distance
- Dusually has an administrative distance greater than routes learned from a dynamic routing protocol
35Refer to the exhibit. If R4 is announcing all shown internal networks as a summary address to the ISP, which summary address will be most specific?
- A192.168.1.0/22
- B192.168.4.0/21
- C192.168.6.0/23
- D192.168.8.0/21
- E192.168.4.0/22
36Which three statements are true about the RIP and EIGRP routing protocols? (Choose three.)
- ABoth routing protocols are distance vector protocols.
- BRIP forms neighbor adjacencies whereas EIGRP does not.
- CBoth routing protocols have a maximum hop count limitation.
- DBoth routing protocols use a composite metric for destination networks.
- ERIP and EIGRP both support equal cost load balancing, but only EIGRP supports unequal cost load balancing.
- FEIGRP has a higher administrative distance making it the preferred protocol when compared to a RIP route in the same network.
37Refer to the exhibit. Both routers are configured to use the EIGRP routing protocol. However, when the show ip eigrp neighbors command is issued at R1, the output displays that the routers are unable to establish adjacency. What is the possible cause of this problem?
- AEIGRP routing is incorrectly configured at R1.
- BThe autonomous system number is the same on both routers.
- CThe no auto-summary command is applied on both routers.
- DThe IP address of the serial interfaces of both routers is incorrectly configured.
38What is the effect of adding Layer 2 switches to a network?
- Asoftware-based forwarding
- Belimination of broadcast traffic
- Cdecrease in the size of collision domains
- Dpermissible cable lengths greater than 100 meters
39Which network statement would include the 172.20.64.0 /19 network in the OSPF routing process?
- ARouter(config-router)# network 172.20.64.0 0.0.0.31 area 0
- BRouter(config-router)# network 172.20.64.0 0.0.0.63 area 0
- CRouter(config-router)# network 172.20.64.0 0.0.15.255 area 0
- DRouter(config-router)# network 172.20.64.0 0.0.31.255 area 0
40What will be the two wildcard masks required in an extended access list statement that blocks traffic to host 192.168.5.45 from the 172.16.240.0/27 network? (Choose two.)
- A0.0.0.0
- B255.255.240.0
- C255.255.255.255
- D0.0.31.255
- E255.255.255.240
- F0.0.0.31
41Refer to the exhibit. Users on the 172.30.20.0/24 network are unable to access any of the servers located on the 192.168.0.0/23 network. Given the network topology and OSPF configuration, what two problems exist in this network? (Choose two.)
- AThere is a routing loop occurring between all three routers.
- BThere is a network statement missing.
- CNetwork 172.30.20.0 has an incorrect wildcard mask.
- DThe OSPF area configuration is incorrect.
- E/23 is an invalid subnet mask for the 192.168.0.0 network.
42Refer to the exhibit. Host A originates and sends broadcast frames to the network. Which hosts will receive the broadcast frames?
- Ahosts B and C
- Bhosts D and G
- Chosts A, B, and C
- Dhosts A, D, and G
- Eall hosts
43Refer to the exhibit. OSPF has been configured as a routing protocol on all routers in OSPF area 0. Based on the cost value of the links, which path will be selected by the SPF algorithm to forward traffic from router R4 to network A?
- AR4-R2-R1
- BR4-R3-R1
- CR4-R2-R3-R1
- DR4-R3-R2-R1
44Which statement is true about ACLs that are applied to VTY lines on Cisco routers?
- AACLs can be used to encrypt VTY transmissions.
- BACLs are applied using the access-class command.
- CWhen ACLs are applied to VTY lines, the VTY password should be removed.
- DThe ACL provides the flexibility for a specific user to login remotely from different locations with any IP address.
45Refer to the exhibit. Which router or routers would be considered OSPF ABRs?
- AR1
- BR6, R8
- CR2, R6, R8
- DR2, R3, R4, R5
- ER8, R9, R10, R11
- FBottom of Form
46Refer to the exhibit. A network technician has added router R0 to an existing network that contains router R1. R0 is configured with EIGRP and is connected to R1 via the Fa0/0 interface of each router. After completing an analysis of the network, the technician notices that the routes to the networks that are supported by routers R0 and R1 are not being exchanged. What is a possible cause for this failure?
- AR0 was configured with the wrong autonomous system number.
- BFastEthernet interfaces on R0 are in a shutdown state.
- CInterface Fa0/0 on R0 is configured as a passive interface.
- DInterface Fa0/0 on R1 is configured as a passive interface.
47In which scenario would PAT be the best choice?
- Awhen a single local address should be mapped to a single global address
- Bwhen a single inside address should be mapped to multiple global addresses
- Cwhen multiple inside addresses should be mapped to a large pool of global addresses
- Dwhen multiple inside local addresses should be mapped to a single global address
48What are three correct host addresses in the 172.16.0.0/17 network? (Choose three.)
- A172.16.0.255
- B172.16.16.16
- C172.16.127.127
- D172.16.128.1
- E172.17.1.1
- F172.18.1.1
49Which subprotocol does PPP use to establish, maintain, test, and terminate a point-to-point link?
- ALCP
- BNCP
- CIPCP
- DIPXCP
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- Created on 29 Jun 2015 · updated on 21 Jun 2019
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