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Take Assessment - DsmbISP Final Exam - CCNA Discovery: Working at a Small-to-Medium Business or ISP (Version 4.1)

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1 If the NVRAM on a router were to fail, which router resource would be lost?

IOS software image

ROMmon software

running configuration

startup configuration

2In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?

destination network address

source network address

source MAC address

well known port destination address

3

Refer to the exhibit. A network administrator has an extra router and wishes to use it as shown to passively monitor network traffic. Which IOS feature should be implemented on router EXTRA?

ACLs

CDP

IDS

IPS

4A company functions from Monday to Friday each week. Their backup strategy calls for full backups each Friday night, with differential backups on all other weekday nights. If an administrator is asked to restore a server hard drive to its Wednesday morning state, how many backups must be used?

1

2

3

4

5 In the URL http://dev.cisco.com/wwwdocs/procedures.htm, what is identified by wwwdocs?

the server name where the resource is located

the protocol that is used for the resource request

the domain name of the server that is being accessed

the folder where the requested resource is stored

6A user calls a help desk about being unable to connect to a web server. The technician asks the user to issue a ping 127.0.0.1command. What is the purpose of this command?

verify if the network cable is connected to the PC

verify if the TCP/IP stack is functioning on the PC

verify if the IP address is configured correctly on the PC

verify if the DNS server IP addresses are present on the PC

7 What is the effect of issuing the banner login #Unauthorized login prohibited# command on a router?

It will display the message "Unauthorized login prohibited" before the router prompts for a user name.

It replaces the banner motd command.

It causes the router to prompt for login credentials for any user who is attempting to connect to the router.

It causes the message "Unauthorized access prohibited" to display when a HyperTerminal connection is idle.

8

Refer to the exhibit. Which combination of cables and symbols is correct?

A - crossover, B - straight-through, C - straight-through

A - crossover, B - rollover, C - straight-through

A - straight-through, B -crossover, C - straight-through

A - straight-through, B -straight-through, C - straight-through

A - straight-through, B - straight-through, C - crossover

A - rollover, B - straight-through, C - straight-through

9 Which statement describes a feature of TCP?

It provides low overhead data delivery.

It acknowledges the receipt of packets.

It does not provide error checking.

It is a connectionless protocol.

10Which two services are required to enable a computer to receive dynamic IP addresses and access the Internet using domain names? (Choose two.)

DNS

WINS

HTTP

DHCP

SMTP

11 Which statement correctly describes the function of AAA?

It prevents unauthorized access to a network.

It filters traffic based on destination IP and port number.

It enables users to send information to a daemon that is running on a management station.

It encrypts data to provide network security.

12Which statement is true about the reverse lookup DNS zone?

It is most commonly experienced when users are surfing the Internet.

It is the backup for the forward lookup zone.

It dynamically updates the resource records.

It resolves an IP address to a fully qualified domain name.

13 A network designer must specify cable for a 190 meter (625 foot) backbone link where EMI may be an issue. What type of cable should the designer choose?

coaxial

fiber-optic

shielded twisted pair

unshielded twisted pair

14What is the maximum unrepeated distance set by industry standards for UTP cable?

10 meters

75 meters

100 meters

325 meters

15 A company is developing an Internet store for its website. Which protocol should be used to transfer credit card information from customers to the company web server?

FTPS

HTTP

HTTPS

WEP2

TFTP

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16 How does a switch interface that uses sticky port security handle MAC addresses?

The addresses are configured manually and are saved in the running configuration.

They are configured manually and are not saved in the running configuration.

They are configured dynamically and are saved in the running configuration.

They are configured dynamically and are not saved in the running configuration.

17How do port filtering and access lists help provide network security?

They prevent specified types of traffic from reaching specified network destinations.

They alert network administrators to various type of denial of service attacks as they occur.

They prevent viruses, worms, and Trojans from infecting host computers and servers.

They enable encryption and authentication of confidential data communications.

18 What will a router do with a packet that is destined for a host with the IP address 192.168.1.5/24 if no entry for the 192.168.1.0/24 network exists in the routing table?

It will drop the packet.

It will send the packet back to the source address.

It will broadcast the packet out all of its active interfaces.

It will broadcast the packet out all of its active interfaces except the interface that received the packet.

19Which team at the ISP would interact with a user in setting up passwords and other account information for a new connection?

NOC

help desk

customer service

onsite installation

20 Which type of WAN connection uses a circuit-switched network?

ISDN

Frame Relay

DSL

Cable

21

Refer to the exhibit. Static routes have been configured on all routers in the network. PC2 can communicate with PC1 but not with PC3. What should be done to remedy the problem?

Reconfigure the first static route with the exit interface S0/0/0.

Reconfigure the second static route with the exit interface S0/0/1.

Reconfigure the first static route with the next hop address 172.16.3.1.

Reconfigure the second static route with the next hop address 172.16.3.1.

22 A network engineer is asked to specify the type of cable for a new network installation. The engineer plans horizontal cable runs of less than 90 feet (27.4 meters) using cable that is not expensive and is easy to implement. It will be positioned away from electrically noisy areas to avoid EMI. Which cable should the engineer choose?

STP

UTP

coaxial

fiber optic

23A small company is contracting with an ISP to host a web server. The web administrator needs to upload files to the web server via a secure channel using FTPS. Although a ping to the server is successful, the web administrator reports that the FTPS connection cannot be established. The technician at the ISP responds that for security reasons the FTPS default port has been blocked by a firewall and the web server has been configured with a non-default port for FTPS access. At which layer of the OSI model has the security measure been applied?

session layer

network layer

transport layer

application layer

24 Which statement correctly describes MIB?

It is software that is installed on a device which in turn is managed by SNMP.

It is installed on a system that is used to monitor networking devices.

It is a database that a device keeps about itself concerning network performance parameters.

It is a communication protocol that is used between the management station and the management agent.

25A Cisco switch is installed into a network and two module slots are purposefully left empty. Which network design consideration does this address?

reliability

scalability

redundancy

accessibility

26 Which WAN service provides point-to-point connections with a predefined communications path?

E1

T1

dialup

leased line

27What is the primary function of a Level 1 support technician in an ISP help desk department with multiple levels of customer support?

to install hardware replacements for the customer

to accompany an on-site technician to provide additional technical support

to diagnose and document the symptoms of hardware, software, and system problems

to design network enhancements that support the new technology requirements of the customer

28 In designing a cabling upgrade plan, what is the first best practice that should be implemented?

Suggest the location of the MDF and IDF.

Choose the appropriate wiring.

Choose the new equipment to purchase.

Examine the floor plan and the condition of existing wiring.

Decide upon the cable management system.

29How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?

30

256

2046

2048

4094

4096

30 When a field technician visits a customer site and resolves the issue that was opened in a trouble ticket, what should the technician do?

assess the network design of the customer site

survey users at the customer site for further needs

document the solution and obtain acceptance of the customer

discuss further problems that are identified during the visit and offer cost estimates

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31

Refer to the exhibit. Which command would an administrator use to configure the router name?

Router# ip hostname Boise

Router# hostname Boise

Router(config-line)# name Boise

Router(config)# hostname Boise

Router> ip hostname Boise

32For the assignment of permissions to files and folders, what does the "principle of least privilege" imply?

No user has more privileges than any other user.

Permissions to files are given based on seniority.

Users only have access to resources that are necessary for their jobs.

Users should be given no access to computer resources until they ask.

33 A user reports being unable to access the Internet. The help desk technician employs a bottom-up approach to troubleshooting. The technician first has the user check the patch cable connection from the PC to the wall, and then has the user verify that the NIC has a green link light. What will the technician have the user do next?

Enter an IP address into the WWW browser address bar to see if DNS is at fault.

Use traceroute to identify the device along the path to the ISP that may be at fault.

Verify the IP address, subnet, and gateway settings using ipconfig on the PC.

Connect to the user home router to check firewall settings for blocked TCP ports.

34

Refer to the exhibit. When the IOS image of a router must be backed up, what are three reasons to issue the exhibited commands? (Choose three.)

to confirm that the IOS image was copied completely

to determine the number of hops to the TFTP server

to copy the IOS image file to the TFTP server

to set the destination directory on the TFTP server

to confirm connectivity to the TFTP server

to view the IOS image name and file size

to confirm that flash has enough space to store the IOS image file

35 How do Tier 3 ISPs connect to the global Internet?

They connect to the global Internet through Tier 2 ISPs.

They extend across several countries but use the services of a Tier 1 ISP.

They use the services of both Tier 1 and Tier 2 ISPs in order to connect to the global Internet.

They make up the global backbone of the Internet by physically joining their network with other Tier 3 ISPs.

36When would TFTP in ROM monitor mode be used to restore a Cisco IOS image to a router?

when a console connection is the only available connection to the router

when the TFTP server software is incompatible with the router IOS version

when the router is set to boot from flash, but the Cisco IOS image in flash is corrupt or has been erased

when the current Cisco IOS on the router requires a feature upgrade

37

Refer to the exhibit. A technician uses the SDM application to configure router R1. Which step should be taken by the technician to enable the Fa0/0 interface on R1 to participate on the connected local network?

Enable a DHCP server on the Fa0/0 LAN interface.

Configure the appropriate IP address on the Fa0/0 interface.

Configure IP addresses for the primary and secondary DNS server.

Configure the starting and ending IP addresses for the DHCP pool but exclude the Fa0/0 IP address.

38What is the primary function of the NOC at a large ISP?

installing equipment at a customer site

setting up customer accounts and passwords

monitoring and testing customer network connections

entering customer requirements in an order-tracking database

39

Refer to the exhibit. Which two routes when either is configured on R1 would allow traffic to be forwarded from hosts on network 192.168.10.0/24 to network 192.168.20.0/24? (Choose two.)

R1(config)# ip route 0.0.0.0 0.0.0.0 S0/0/1

R1(config)# ip route 0.0.0.0 0.0.0.0 172.10.10.13

R1(config)# ip route 192.168.20.0 255.255.255.0 Fa0/0

R1(config)# ip route 192.168.20.0 255.255.255.0 S0/0/0

R1(config)# ip route 172.10.10.12 255.255.255.252 192.168.20.0

40A building has experienced a power outage. When the power returns, none of the devices on one floor can access the Internet. The network administrator checks the switch in the IDF that these devices are connected to and notes that the SYST LED on the front of

the switch is amber.

What is a possible cause of this problem?

The switch is functioning properly.

The switch has failed POST.

The switch configuration file was not saved to NVRAM.

The connection between the switch and the server did not autonegotiate speed and duplex properly.

41 A network administrator wants to configure six subnets for a Class C network. Which subnet mask will support the maximum number of hosts on each subnet?

255.255.255.248

255.255.255.240

255.255.255.224

255.255.255.192

42Which event will cause the green SYS ACT LED on a router to begin blinking?

The router is booting.

Flash memory is accessed.

The router enters ROM monitor mode.

The compact flash memory card becomes full.

Packets are transmitted or received on an interface.

43 Which technology is used for WAN connections and delivers up to 1.544 Mb/s of symmetrical bandwidth?

DSL

dialup

T1 line

T3 line

44Which application can be delivered using UDP?

FTP

DNS

HTTP

SMTP

45

Refer to the exhibit. What could be two possible causes for the Serial0/0/0 interface status? (Choose two.)

A Layer 3 issue exists.

The bandwidth is set too high.

An incorrect cable is being used.

A loopback address must be set.

The reliability setting is too low for the interface.

A defective serial interface cable was used.

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31

Refer to the exhibit. Which command would an administrator use to configure the router name?

Router# ip hostname Boise

Router# hostname Boise

Router(config-line)# name Boise

Router(config)# hostname Boise

Router> ip hostname Boise

32For the assignment of permissions to files and folders, what does the "principle of least privilege" imply?

No user has more privileges than any other user.

Permissions to files are given based on seniority.

Users only have access to resources that are necessary for their jobs.

Users should be given no access to computer resources until they ask.

33 A user reports being unable to access the Internet. The help desk technician employs a bottom-up approach to troubleshooting. The technician first has the user check the patch cable connection from the PC to the wall, and then has the user verify that the NIC has a green link light. What will the technician have the user do next?

Enter an IP address into the WWW browser address bar to see if DNS is at fault.

Use traceroute to identify the device along the path to the ISP that may be at fault.

Verify the IP address, subnet, and gateway settings using ipconfig on the PC.

Connect to the user home router to check firewall settings for blocked TCP ports.

34

Refer to the exhibit. When the IOS image of a router must be backed up, what are three reasons to issue the exhibited commands? (Choose three.)

to confirm that the IOS image was copied completely

to determine the number of hops to the TFTP server

to copy the IOS image file to the TFTP server

to set the destination directory on the TFTP server

to confirm connectivity to the TFTP server

to view the IOS image name and file size

to confirm that flash has enough space to store the IOS image file

35 How do Tier 3 ISPs connect to the global Internet?

They connect to the global Internet through Tier 2 ISPs.

They extend across several countries but use the services of a Tier 1 ISP.

They use the services of both Tier 1 and Tier 2 ISPs in order to connect to the global Internet.

They make up the global backbone of the Internet by physically joining their network with other Tier 3 ISPs.

36When would TFTP in ROM monitor mode be used to restore a Cisco IOS image to a router?

when a console connection is the only available connection to the router

when the TFTP server software is incompatible with the router IOS version

when the router is set to boot from flash, but the Cisco IOS image in flash is corrupt or has been erased

when the current Cisco IOS on the router requires a feature upgrade

37

Refer to the exhibit. A technician uses the SDM application to configure router R1. Which step should be taken by the technician to enable the Fa0/0 interface on R1 to participate on the connected local network?

Enable a DHCP server on the Fa0/0 LAN interface.

Configure the appropriate IP address on the Fa0/0 interface.

Configure IP addresses for the primary and secondary DNS server.

Configure the starting and ending IP addresses for the DHCP pool but exclude the Fa0/0 IP address.

38What is the primary function of the NOC at a large ISP?

installing equipment at a customer site

setting up customer accounts and passwords

monitoring and testing customer network connections

entering customer requirements in an order-tracking database

39

Refer to the exhibit. Which two routes when either is configured on R1 would allow traffic to be forwarded from hosts on network 192.168.10.0/24 to network 192.168.20.0/24? (Choose two.)

R1(config)# ip route 0.0.0.0 0.0.0.0 S0/0/1

R1(config)# ip route 0.0.0.0 0.0.0.0 172.10.10.13

R1(config)# ip route 192.168.20.0 255.255.255.0 Fa0/0

R1(config)# ip route 192.168.20.0 255.255.255.0 S0/0/0

R1(config)# ip route 172.10.10.12 255.255.255.252 192.168.20.0

40A building has experienced a power outage. When the power returns, none of the devices on one floor can access the Internet. The network administrator checks the switch in the IDF that these devices are connected to and notes that the SYST LED on the front of the switch is amber.

What is a possible cause of this problem?

The switch is functioning properly.

The switch has failed POST.

The switch configuration file was not saved to NVRAM.

The connection between the switch and the server did not autonegotiate speed and duplex properly.

41 A network administrator wants to configure six subnets for a Class C network. Which subnet mask will support the maximum number of hosts on each subnet?

255.255.255.248

255.255.255.240

255.255.255.224

255.255.255.192

42Which event will cause the green SYS ACT LED on a router to begin blinking?

The router is booting.

Flash memory is accessed.

The router enters ROM monitor mode.

The compact flash memory card becomes full.

Packets are transmitted or received on an interface.

43 Which technology is used for WAN connections and delivers up to 1.544 Mb/s of symmetrical bandwidth?

DSL

dialup

T1 line

T3 line

44Which application can be delivered using UDP?

FTP

DNS

HTTP

SMTP

45

Refer to the exhibit. What could be two possible causes for the Serial0/0/0 interface status? (Choose two.)

A Layer 3 issue exists.

The bandwidth is set too high.

An incorrect cable is being used.

A loopback address must be set.

The reliability setting is too low for the interface.

A defective serial interface cable was used.

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46

Refer to the exhibit. What effect will the commands have when entered on R2?

The cisco1 file will be copied to NVRAM.

The commands will not work because a password has not been set on the TFTP server.

The running configuration will be copied from R2 to the TFTP server.

The cisco1 file will be copied from the TFTP server to the running configuration of R2.

47While configuring PAT on a Cisco ISR, a network technician defines the IP address of the router interface that connects to the ISP. This address will be the translated address for all Internet traffic from inside hosts. What is this IP address called?

inside local address

inside global address

outside local address

outside global address

48 Which routing protocol facilitates the exchange of routing information between different autonomous systems?

OSPF

EIGRP

RIP

BGP

49What is a characteristic of a scalable network?

100% uptime

redundant links

easy expansion

multiple backup devices

50

Refer to the exhibit. Hosts that belong to the IT department use 10.10.55.33/27 as a default gateway. Where can this IP address be located in the network?

A

B

C

D

E

F

51Which cable type is used to interconnect the FastEthernet interfaces of two routers?

straight-through

crossover

console

rollover

52

Refer to the exhibit. Which three IP addresses could be assigned to the hosts? (Choose three.)

192.168.88.1

192.168.88.8

192.168.88.9

192.168.88.12

192.168.88.14

192.168.88.15

192.168.88.16

192.168.88.18

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