CCNA Guide to Cisco Networking Review Questions Chapters 7-14

1) Which wildcard mask would apply an access list line to all packets from network 172.25.0.0? A) 255.255.255.0 B) 255.255.0.0 C) 255.254.0.0 D) 0.0.255.255

0.0.255.255

15) Which of the following host and corresponding wildcard mask pairs represent the same value as host 172.29.2.2 A) 0.0.0.0 255.255.255.255 B) 172.29.2.2 0.0.0.0 C) 255.255.255.255 0.0.0.0 D) 0.0.0.0 172.29.2.2

172.29.2.2 0.0.0.0

24) List the three Basic Firewall security settings. A) 1st B) 2nd C) 3rd

A) High B) Medium C) Low

7) IGRP can use which of the following as metrics? (Choose all that apply) A) Hop count B) Bandwidth C) Delay D) Split horizon

A) Hop count B) Bandwidth C) Delay

3) Which of the following is an NCP? (Choose all that apply) A) IPXCP B) HDLC C) SDLC D) ATCP E) IPCP

A) IPXCP D) ATCP E) IPCP

24) Which of the following does RIP support? (Choose all that apply) A) Load balancing B) Link reliability metric C) Bandwidth metric D) Delay metric

A. Load balancing

18) A metric is a variable used to determine the suitability of a route. A) True B) False

A. True

12) The debug ip rip command can be used in user mode and privilege mode. A) True B) False

B. False

4) Which command enables RIP on a router. A) router network RIP B) router rip C) router igrp D) router ospf

B. router rip

14) What type of routing protocol is used within autonomous systems? A) Exterior Gateway Protocols B) TCP/IP C) NetBEUI D) Interior Gateway Protocol

D. Interior Gateway Protocol

1) What is used on routers to hide intranet addresses from the Internet? A) PAP B) CHAP C) NAT D) FRAT

NAT

18) Which of the following commands would ensure that a router becomes the DR on a broadcast, multi-access network? A) IP OSPF priority 256 B) IP OSPF DR on C) IP OSPF priority 0 D) None of the above

None of the above

14) What algorithm is used by OSPF for path selection? A) DUAL B) Open Path First C) Shortest Path First D) Default-information Originate

Shortest Path First

19) What command displays the successors and feasible successors for EIGRP? A) Show IP route B) Show IP EIGRP topology C) Show IP OSPF topology D) Show IP topology

Show IP EIGRP topology

17) Which of the following is a benefit of using named lists? A) The syntax is identical to using numbered lists B) Fewer lists are allowed, so it is easier to remember them C) You are not constrained by the 100 lists per filter type limit D) Using named lists offers no benefits

You are not constrained by the 100 lists per filter type limit

7) Which of the following commands statically maps a name to an IP address? A) ip name-server B) ip host C) ip address D) ip name

ip host

8) Which of the following commands disables the default DNS lookup function on a Cisco router? A) no ip domain-lookup B) no lookup C) no ip-lookup D) no ip domain-name lookup

no ip domain-lookup

13) At which of the following prompts would you create an access list? A) routerC# B) routerC> C) routerC (config-if) # D) routerC (config)

routerC (config)

20) What is another name for a wildcard mask? A) Inverse mask B) Obtuse mask C) Backwards mask D) Flip mask

Inverse mask

7) Which type of authentication sends only a hash across the link between two authenticating peers? A) MD5 B) Clear text C) Signed secret keys D) Shared keys

MD5

6) Which of the following is a unique number that helps devices discover looped interfaces? A) MAC B) LCP C) Magic number D) Bandwidth

Magic number

8) What command places the 192.168.12.32/27 network into OSPF area 0? A) Network 192.168.12.0 area 0 B) Network 192.168.12.32 area 0 C) Network 192.168.12.32 255.255.255.225 area 0 D) Network 192.168.12.32 0.0.0.31 area 0

Network 192.168.12.32 0.0.0.31 area 0

13) Where is the DHCP database typically stored? A) On the router B) On the server C) On a CD or DVD D) The database is not stored

On the server

2) Which flavor of NAT maps multiple internal IP addresses to a single external IP address? A) PAP B) CHAP C) NAT D) PAT

PAT

1) If you want to use CHAP authentication, which protocol would you employ? A) Multilink B) PAP C) Frame Relay D) PPP relay

PPP relay

12) What protocol is used by RIGRP to transport its routing protocol information? A) TCP B) UDP C) RTP D) DR/BDR

RTP

13) Which of the following commands enables EIGRP on a router with an autonomous system number of 101? A) Router EIGRP B) Router EIGRP 101 C) Router 101 EIGRP D) As 101

Router EIGRP 101

9) Which WAN protocol did PPP replace? A) HDLC B) SDLC C) SLIP D) APD

SLIP

2) Standard IP access lists filter traffic based on which of the following? (Choose all that apply) A) Destination IP address B) IP protocol C) Port number D) Source IP address

Source IP address

18) What happens if a list is applied to an interface and then the list itself is removed? A) The commands will be executed and all traffic will be denied B) The commands will be executed and all traffic will be permitted C) The commands will not be executed and all traffic will be permitted D) None of the above.

The commands will be executed and all traffic will be permitted

20) What is the purpose of the "established" parameter? A) To establish a connection between the sender and receiver B) To prevent any traffic into a network C) To prevent any traffic into a network that did not originate from that network D) To permit all TCP traffic but not IP traffic into the established network

To prevent any traffic into a network that did not originate from that network

5) What is the purpose of the ip nat inside command? A) To tell the router to use static NAT B) To tell the router to use dynamic NAT C) To tell the router to enter NAT configuration mode D) To tell the router that the current interface is the be considered the inside interface

To tell the router that the current interface is the be considered the inside interface

10) If you have disabled the lookup function on your Cisco router, you will have to re-enable it if you want to use a DNS server to resolve names on your router. A) True B) False

True

11) Cisco routers can be configured to send and receive RIPv1 updates on a per-interface basis. A) True B) False

True

16) A router can have one access list per protocol, per direction on each interface. A) True B) False

True

16) OSPF timers must match for neighbors to from adjacencies. A) True B) False

True

17) Cisco's SDM can be used to configure network services such as DNS and DHCP. A) True B) False

True

19) It is easier to configure a pointer to a DNS server using the command-line interface rather than the SDM. A) True B) False

True

2) Classless routing protocols carry subnet mask information in their routing table updates? A) True B) False

True

6) Which host and wildcard mask pair does the any keyword represent? A) 255.255.255.255 0.0.0.0 B) 0.0.255.255 0.0.0.0 C) 0.0.0.0 0.0.0.0 D) 0.0.0.0 255.255.255.255

0.0.0.0 255.255.255.255

24) What is the default OSPF cost for FastEthernet (assuming the default reference bandwidth)? A) 40 B) 255 C) 0 D) 1

1

9) Standard IP access lists are represented by the number range. A) 100 - 199 B) 1 - 99 C) 1000 - 1099 D) 200 - 299

1 - 99

9) EIGRP uses the same metric as IGRP multiplied by________.

256

23) Which of the following is used by EIGRP for path determination? A) DUAL B) Dijkstra's Shortest Path First Algorithm C) Wildcard masks D) Priority

A) DUAL

14) Which of the following are optional when configuring your router to be a DHCP server? A) Default gateway B) IP address C) Subnet mask D) DNS server address E) WINS server address F) Domain name

A) Default gateway D) DNS server address E) WINS server address F) Domain name

9) Which of the following helps to prevent routing loops? (Choose all that apply) A) Split horizon B) Count-to-infinity C) Hold-down timers D) Split horizon with poison reverse

A) Split horizon C) Hold-down timers D) Split horizon with poison reverse

8) Access lists are . (Choose all that apply.) A) Used to filter traffic and control network security B) Applied as either inbound or outbound filters C) Sequential permit or deny statements D) Built into the routers firmware

A) Used to filter traffic and control network security B) Applied as either inbound or outbound filters C) Sequential permit or deny statements

2) Link-state routing protocols _________. (Choose all that apply) A) Use link-state advertisements to notify neighbor routers of route changes B) Send routing tables to neighbors C) Reach convergence faster than distance vector routing protocols D) Determine the best path via the hop count algorithm

A. Use link-state advertisements to notify neighbor routers of route changes C. Reach convergence faster than distance vector routing protocols.

5) Which command will show the IP routing table of a router? A) show ip route B) show ip protocol C) debug ip igrp events D) show run

A. show ip route

23) Which SDM wizard allows you to configure a DMZ? A) Firewall configuration wizard B) Security configuration wizard C) Basic firewall wizard D) Advanced firewall wizard

Advanced firewall wizard

12) The show access-lists command displays . A) Access lists applied to interfaces B) All access lists on the routers C) Only IP access lists on the router D) Only IPX access lists on the router

All access lists on the routers

10) What feature of OSPF allows it to use a hierarchical design? A) Areas B) Auto summarization C) Wildcard masks D) Neighbors adjacencies

Areas

21) All access lists presented in this chapter, except standard IP lists, should be placed where? A) As close to the source as possible B) As close to the destination as possible C) As close to the serial interface as possible D) As close to the tftp server as possible

As close to the source as possible

21) Which of the following are true about administrative distance? (Choose all that apply) A) The higher the administrative distance, the more desirable the route B) Administrative distances are used with static routes C) The default administrative distance for RIP is 120 D) The default administrative distance for static routes is higher than those for dynamic routes. E) The default administrative distance for a connected network is lower that for the default route of IGRP

B) Administrative distances are used with static routes C) The default administrative distance for RIP is 120 E) The default administrative distance for a connected network is lower that for the default route of IGRP

19) What is true of the host keyword? (Choose all that apply) A) It can only be used with extended IP lists B) It can be used with standard and extended IP lists. C) It replaces the 0.0.0.255 wildcard mask D) It replaces the 0.0.0.0 wildcard mask E) It is placed before the IP address with which it is associated F) It is placed after the IP address with which it is associated

B) It can be used with standard and extended IP lists. D) It replaces the 0.0.0.0 wildcard mask E) It is placed before the IP address with which it is associated

8) Which of the following is a routed protocol? (Choose all that apply) A) NetBEUI B) TCP/IP C) IPX/SPX D) RIP E) Split horizon

B) TCP/IP C) IPX/SPX

17) What two commands are needed to configure RIP on a router? (Choose all that apply) A) network rip B) router rip C) router network rip D) network [network #]

B) router rip D) network [network #]

19) A major drawback of link-state routing protocols is: A) Routing by rumor B) Increased memory and processing required on routers C) Show time to convergence D) Inability to adapt to network topology changes

B. Increased memory and processing required on routers

6) Nonroutable protocols are able to pass packets among multiple networks? A) True B) False

B. False

15) RIP and IGRP both advertise a route to a particular network. Which route will be added to the routing table? A) The RIP route B) The IGRP route C) NetBEUI D) BGP-enhanced IGRP

B. The IGRP route

13) Which of the following routing protocols can route between autonomous systems? (Choose all that apply) A) IGRP B) RIP C) BGP D) EGP

C) BGP D) EGP

3) How does overlapping occur? A) The network administrator does not plan for internet connectivity B) The network administrator uses registered IP addresses without getting permission C) Both a and b D) None of the above

C) Both a and b

10) At which router prompt can you use the router rip command? A) RouterB# B) RouterB> C) RouterB(config)# D) RouterB(config-router)#

C) RouterB(config)#

1) What is the administrative distance of RIP? A) 100 B) 110 C) 120 D) 90

C. 120

3) RIP has a maximum hop count of ____. A) 255 B) 16 C) 15 D) 254

C. 15

7) Which of the following employs the strongest encryption technique? A) Plain text B) PAP C) CHAP D) Clear text

CHAP

9) Which of the following commands directs the router to a DNS server for IP-to-name resolution? A) ip host B) ip address C) ip name D) ip name-server

ip name-server

5) What command turns off automatic summarization to major network boundaries in both RIPv2 and EIGRP? A) summarization off B) no summary C) no auto-summary D) no ip classless

no auto-summary

14) At which of the following prompts would you apply an access list to an interface? A) routerC# B) routerC> C) routerC (config-if) # D) routerC (config)

routerC (config-if) #

11) At which router prompt can you issue the network [network #] command? A) RouterB# B) RouterB> C) RouterB(config)# D) RouterB(config-router)#

D) RouterB(config-router)#

22) What does the number 240 stand for in the following command? Router(config)# ip route 192.168.1.0 255.255.255.0 240 A) Number of masked bits B) Decimal subnet mask C) Number of hops D) Administrative distance E) Autonomous network number

D. Administrative distance

6) In what state are OSPF neighbors, when bidirectional communication has been established and adjacencies have been formed? A) Passive B) Up C) DR D) FULL

FULL

17) EIGRP timers must match for neighbors to form adjacencies. A) True B) False

False

22) Clear text is the most secure authentication supported by OSPF. A) True B) False

False

25) The SDM cannot be used to create complex access control lists. A) True B) False

False

3) The process ID must match on all routers in an OSPF network? A) True B) False

False

6) The DNS service is required in order to browse the web. A) True B) False

False

15) A backup route in EIGRP is a(n)? ______

Feasible Successor

2) What is the default encapsulation type on serial interfaces of Cisco routers? A) PPP B) HDLC C) SDLC D) Frame Relay

HDLC

4) PPP was derived from ________. A) Frame Relay B) HDLC C) RBOC D) ISDN

HDLC

7) Which command is used to apply an IP access list to an interface? A) ip access-group [list #] [in | out] B) ip access-group permit 100 C) ip access-group [list #] [permit | deny] D) show ip interface

ip access-group [list #] [in | out]

8) If you want your router to use CHAP and then PAP authentication, which of the following commands would be correct? A) router>ppp au chap pap B) router# ppp authentication chap pap C) router(config-if) #ppp au pap chap D) router (config-if) #ppp au chap pap E) router(config) # ppp authentication chap pap

router (config-if) #ppp au chap pap

4) Which command shows only the IP access lists on a router? A) show access-lists B) show ipx access-lists C) show ip access-lists D) show interface

show ip access-lists

15) Which of the following monitoring commands displays any IP addresses leased by the DHCP server and the corresponding MAC address of the host? A) show ip dhcp pool B) show dhcp C) show ip dhcp binding D) show binding

show ip dhcp binding

16) Which of the following monitoring commands displays DHCP pool specific information? A) show ip dhcp pool B) show dhcp C) show ip dhcp binding D) show binding

show ip dhcp pool

5) Which commands allow you to view the interfaces that have IP access lists applied to them? A) show interfaces B) show ip interface C) show ip traffic D) show ip conters

show ip interface

20) What command displays area authentication information? A) show ip route B) show ip ospf C) show ip ospf authentication D) show authentication

show ip ospf

5) What is a common reason for looping an interface? A) To achieve greater bandwidth B) To drop nonessential frames C) To increase packet size D) testing

testing

4) What command switches RIP to version 2? A) router rip 2 B) version 2 C) rip version 2 D) ripV2 on

version 2

12) What is the purpose of the service dhcp command? A) Starts monitoring the DHCP service B) Turns off DHCP debugging C) Enables DHCP D) Disables DHCP

Enables DHCP

20) Which of the following commands would enable a routing protocol that is only concerned with hop count? A) router# router igrp B) router(config)# router igrp C) router# router rip D) router(config)# router rip E) router# router ospf

D. router(config)# router rip

16) What command is used to display RIP timers? A) show ip route B) show run C) debug ip rip D) show ip protocol

D. show ip protocol

21) The OSPF priority range assigned to a router is _____.

D255

11) Which of the following is not a DHCP packet type? A) DHCP OFFER B) DHCP SYN C) DHCP REQUEST D) DHCP ACK E) DHCP DISCOVER

DHCP SYN

1) What command injects a default route into an OSPF network? A) Passive-interface B) Loopback default C) Router ospf D) Default-information originate

Default-information originate

23) If you want to monitor real-time RIP traffic, which command would you type? A) router> router rip B) router# router rip C) router# show rip D) router(config)# show rip E) router# debug ip rip

E. router# debug ip rip

22) Which command links an access list to the VTY lines? A) ip access-group B) ip access-class C) vty access-class D) access-class

access-class

4) When would it be most appropriate to configure static NAT? A) When you want to guarantee that a particular device is always associated with the same public IP address B) When you do not care what public IP address is used by a device C) When the inside-to-outside IP address mapping is not important D) When you want every inside IP address to translate to a single public IP address

When you want to guarantee that a particular device is always associated with the same public IP address

18) What is the difference between configuring dynamic NAT and PAT on a cisco router using the SDM? A) The access list that defines the inside addresses will be different B) You will select overload instead of dynamic in the Add Address Translation Rule dialog box C) The direction selected for PAT will be from outside to inside rather than from inside to outside D) You will translate to an interface rather than to a pool of addresses

You will translate to an interface rather than to a pool of addresses

3) Wildcard masks use a __________ to signify which bits of an address are significant.

Zero