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

(Version 4.1)

1

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.

2

Refer to the exhibit. Which subnet mask would accommodate the number of hosts shown for each subnetwork

with the least amount of IP addresses wasted?

255.255.0.0

255.255.255.192

255.255.255.224

255.255.255.240

255.255.255.248

3 Which AAA process requires users to prove their identity with a username and password to gain access to a

network?

accounting

authorization

authentication

acknowledgment

4

Refer to the exhibit. Router Left is unable to ping router Right. The show interfaces serial 0/0/0 command

indicates that the interface is up but the line protocol is down on both routers. Which action could be taken to

establish connectivity between the two routers?

Configure S0/0/1 instead of S0/0/0 on router Right.

Enter the encapsulation hdlc command on router Right.

Contact the service provider to report that the circuit is down.

Contact the service provider to enable PPP on the WAN circuit.

Enter the no encapsulation ppp command on router Left S0/0/0.

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

10 meters

75 meters

100 meters

325 meters

6 A network administrator subnets the network 172.16.1.0/24 into four subnets of equal size. Which combination

of mask and addresses correctly configures a host with an address and default gateway in the second subnet?

Host address: 172.16.1.129

Subnet mask: 255.255.255.224

Default gateway: 172.16.1.75

Host address: 172.16.1.75

Subnet mask: 255.255.255.224

Default gateway: 172.16.1.126

Host address: 172.16.1.60

Subnet mask: 255.255.255.192

Default gateway: 172.16.1.65

Host address: 172.16.1.75

Subnet mask: 255.255.255.192

Default gateway: 172.16.1.126

7 If the configuration register is currently set to 0x2102, what is the first action that a router will take after the

bootstrap program loads successfully?

load the IOS from flash

load the IOS from NVRAM

load the IOS from the TFTP server

load the startup configuration file from flash

load the startup configuration file from NVRAM

load the startup configuration file from the TFTP server

8 A small company wishes to provide e-mail accounts for its users. For insurance reasons the company wants to

ensure that proper mail retention policies are followed. The company wants to ensure that all e-mail is backed up

regularly, but it does not want the users to have to perform this backup themselves. Which protocol would meet

the needs of the company?

SSL

POP3

SMTP

IMAP4

9 A network technician wants to restore a backup copy of the saved configuration file on a router from a TFTP

server. After restoring the file from the TFTP server, the technician reloads the router and finds that it still has

the old configuration file instead of the restored file. What could have caused this?

The technician entered the command delete flash: before reloading the router.

The technician entered the command boot system rom before reloading the router.

The technician entered the command erase startup-config before reloading the router.

The technician failed to enter the command copy running-config startup-config before reloading the

router.

10

Refer to the exhibit. A ping 192.168.1.20 command is issued on workstation A to determine if workstation B

can be reached. What two events will occur if this command is successful? (Choose two.)

The router will reply to the echo request with a proxy ping response.

Workstation A will send a UDP ping request message to workstation B.

The router will send a TCP acknowledgment message to workstation A.

Workstation B will send a UDP ping reply message to the router.

Workstation A will send an ICMP echo request message to workstation B.

Workstation B will send an ICMP echo reply message to workstation A.

11 Which combination of network address and subnet mask allows 62 hosts to be connected in a single subnet?

Network address 10.1.1.4 Subnet mask 255.255.255.240

Network address 10.1.1.0 Subnet mask 255.255.255.252

Network address 10.1.1.0 Subnet mask 255.255.255.192

Network address 10.1.1.4 Subnet mask 255.255.255.248

12 What are three features of the TCP protocol? (Choose three.)

It provides retransmission of data packets if they are lost during transmission.

It is a connectionless protocol.

It uses a three-way handshake between the sending and receiving systems to establish each conversation.

It specifies how messages are reassembled at the destination host.

It requires only 8 bytes of overhead.

It breaks the data packet into datagrams.

13

Refer to the exhibit. A NOC technician at an ISP enters the command c:\ping 209.165.201.7. What are two

reasons to use this command? (Choose two.)

map the path to 209.165.201.7

test reachability to 209.165.201.7

locate connectivity problems along the route to 209.165.201.7

identify ISPs that interconnect the NOC and remote host with IP 209.165.201.7

measure the time that packets take to reach 209.165.201.7 and return to the technician's workstation

14 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

15 Which type of cable may be used for backbone cabling between data centers that are located on different floors

and that are separated by a distance of 1640 feet (500 meters)?

STP

UTP

coaxial

fiber-optic

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

4.1)

Time Remaining:

16

Which statement describes a route that has been learned dynamically?

It is automatically updated and maintained by routing protocols.

It is unaffected by changes in the topology of the network.

It has an administrative distance of 1.

It is identified by the prefix C in the routing table.

17 What 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

18 A small company has contracted with its ISP for web hosting. Which two items would be included in the SLA

for this service? (Choose two.)

performance

web server cost

service availability

operating system on the web server

web server model and configuration

19

Refer to the exhibit. A network administrator is unable to ping H1 from the router and is checking the cabling

along the network. Which segment is incorrectly cabled?

Segment A

Segment B

Segment C

Segment D

20

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

21 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

22

The show ip route command was executed on one of the routers shown in the graphic and the following output

was displayed:

C 192.168.4.0/24 is directly connected, Serial0/0

R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0

R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1

R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1

C 192.168.3.0/24 is directly connected, Serial0/1

From which router was this command executed?

A

B

C

D

23 A 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.

24

Refer to the exhibit. The network administrator uses the command below to configure a default route on RTB:

RTB(config)# ip route 0.0.0.0 0.0.0.0 fa0/0

A ping issued from PC3 is successful to RTB. However, echo request packets arrive at PC1 but the echo replies

do not make it back to PC3. What will fix this problem?

RTA must be configured to forward packets to the 192.168.2.0 network.

The ip route command needs to be edited so that the next hop address is 10.1.1.5.

The ip route command needs to be edited so that the 192.168.2.1 address is the next hop address.

The ip route command should be removed from the RTB router configuration.

Another default route should be configured on RTA with a next hop address of 10.1.1.6.

25 A user is unable to connect to the Internet. The network administrator decides to use the top-down

troubleshooting approach. Which action should the administrator perform first?

Run the tracert command to identify the faulty device.

Check the patch cable connection from the PC to the wall.

Enter an IP address in the address bar of the web browser to determine if DNS has failed.

Run the ipconfig command to verify the IP address, subnet mask, and gateway on the PC.

26 When LAN interfaces are being configured, which subnet mask entry format is supported by SDM Express but

not by the CLI?

binary format

hexadecimal format

subnet bits format

auto-assignment

27 A 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

28

Refer to the exhibit. If the show cdp neighbors command is issued on RTB, which devices will appear in the

output if all devices use the Cisco IOS and have CDP enabled?

RTA, RTC

RTA, RTC, Sw2

RTA, RTC, Sw1, Sw2, Sw3

RTA, RTC, Sw1, Sw2, Sw3, PC1, PC2

29 What is an example of a dedicated point-to-point WAN link?

ISDN

Frame Relay

dialup

T1/E1

30 While 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

hich protocol allows secure in-band management so that a network administrator can monitor and configure network

devices without fear of any passwords being compromised?

SSH

HTTP

SNMP

Telnet

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

4.1)

Time Remaining:

46

At which layer of the OSI model is the Ethernet family of technologies defined?

Layer 1

Layer 2

Layer 3

Layer 4

Layer 5

Layer 6

Layer 7

47 Which mode does a router enter when no configuration file is located in NVRAM?

ROMMON

setup

global configuration

privileged exec

48

Refer to the exhibit. Devices need to connect to the file server from remote networks. What method should be

used to provide the file server with an IP address to allow these connections?

static NAT

static PAT

dynamic NAT

dynamic PAT

49 Which 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

50

Refer to the exhibit. While configuring the serial interface of a router, the network administrator sees the

highlighted error message. What is the reason for this?

The serial interface is administratively down.

The serial interface is already configured with an IP address.

The network administrator has attempted to configure the serial interface with a broadcast address.

The same IP address has been configured on another interface.

51 What is a characteristic of a scalable network?

100% uptime

redundant links

easy expansion

multiple backup devices

52 A 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