Ensurepass

Interconnecting Cisco Networking Devices Part 1 v3.0 (ICND1)

 

QUESTION 151

DRAG DROP

Move the protocol or service on the left to a situation on the right where it would be used. (Not all options are used.)

 

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Correct Answer:

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QUESTION 152

What is the best practice when assigning IP addresses in a small office of six hosts?

 

A.

Use a DHCP server that is located at the headquarters.

B.

Use a DHCP server that is located at the branch office.

C.

Assign the addresses by using the local CDP protocol.

D.

Assign the addresses statically on each node.

 

Correct Answer: D

Explanation:

Its best to use static addressing scheme where the number of systems is manageable rather than using a dynamic method such as DHCP as it is easy to operate and manage.

 

 

QUESTION 153

In the configuration of NAT, what does the keyword overload signify?

 

A.

When bandwidth is insufficient, some hosts will not be allowed to access network translation.

B.

The pool of IP addresses has been exhausted.

C.

Multiple internal hosts will use one IP address to access external network resources.

D.

If the number of available IP addresses is exceeded, excess traffic will use the specified address pool.

 

Correct Answer: C

Explanation:

The keyword overload used in the ip nat inside source list 1 pool ovrld overload example command allows NAT to translate multiple inside devices to the single address in the pool.

The types of NAT include:

Static address translation (static NAT)–Allows one-to-one mapping between local and global addresses.

Dynamic address translation (dynamic NAT)–Maps unregistered IP addresses to registered IP addresses from a pool of registered IP addresses.

Overloading–Maps multiple unregistered IP addresses to a single registered IP address (many to one) using different ports. This method is also known as Port Address Translation (PAT). By using overloading, thousands of users can be connected to the Internet by using only one real global IP address.

 

 

QUESTION 154

The network administrator is using a Windows PC application that is called putty.exe for remote communication to a switch for network troubleshooting. Which two protocols could be used during this communication? (Choose two.)

 

A.

SNMP

B.

HTTP

C.

Telnet

D.

RMON

E.

SSH

 

Correct Answer: CE

Explanation:

PuTTY is a free implementation of Telnet and SSH for Windows and Un
ix platforms, and is used to connect to Cisco and other networking devices using SSH or Telnet.

 

QUESTION 155

How can you ensure that only the MAC address of a server is allowed by switch port Fa0/1?

 

A.

Configure port Fa0/1 to accept connections only from the static IP address of the server.

B.

Configure the server MAC address as a static entry of port security.

C.

Use a proprietary connector type on Fa0/1 that is incomputable with other host connectors.

D.

Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.

 

Correct Answer: B

Explanation:

When the MAC address is configured as static
entry, no other address is allowed.

 

 

QUESTION 156

Refer to the exhibit. A TFTP server has recently been installed in the Atlanta office. The network administrator is located in the NY office and has made a console connection to the NY router. After establishing the connection they are unable to backup the configuration file and IOS of the NY router to the TFTP server. What is the cause of this problem?

 

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A.

The NY router has an incorrect subnet mask.

B.

The TFTP server has an incorrect IP address.

C.

The TFTP server has an incorrect subnet mask.

D.

The network administrator computer has an incorrect IP address.

 

Correct Answer: C

Explanation:

The TFTP server is using a mask of 255.255.255.240 (/28) while the router is configured with a /29. Because of this, the Atlanta router does not see the TFTP server as being in the same subnet.

 

 

 

 

 

 

 

QUESTION 157

Refer to the exhibit. The junior network support staff provided the diagram as a recommended configuration for the first phase of a four-phase network expansion project. The entire network expansion will have over 1000 users on 14 network segments and has been allocated this IP address space.

 

192.168.1.1 through 192.168.5.255

 

192.168.100.1 through 192.168.100.255

 

What are three problems with this design? (Choose three.)

 

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A.

The AREA 1 IP address space is inadequate for the number of users.

B.

The AREA 3 IP address space is inadequate for the number of users.

C.

AREA 2 could use a mask of /25 to conserve IP address space.

D.

The network address space that is provided requires a single network-wide mask.

E.

The router-to-router connection is wasting address space.

F.

The broadcast domain in AREA 1 is too large for IP to function.

 

Correct Answer: ACE

Explanation:

The given IP addresses of areas 1 and 3 along with network masks of /24 cannot accommodate 500 users so are inadequate, while the area 2 is having over capacity so its network mask can be reduced to /25 to accommodate the only 60 users it has.

 

 

 

 

 

 

 

QUESTION 158

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Select three options which are security issues with the current configuration of SwitchA. (Choose three.)

 

A.

Privilege mode is protected with an unencrypted password

B.

Inappropriate wording in banner message

C.

Virtual terminal lines are protected only by a password requirement

D.

Both the username and password are weak

E.

Telnet connections can be used to remotely manage the switch

F.

Cisco user will be granted privilege level 15 by default

Correct Answer: ABD

 

 

QUESTION 159

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Including the address on the Routed Ethernet interface, how many hosts can have IP addresses on the LAN to which Routed is connected?

 

A.

6

B.

30

C.

62

D.

126

 

Correct Answer: A

Explanation:

This is a /29 address, so there are 6 usable IP’s on this subnet.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QUESTION 160

Refer to the exhibit. An administrator replaced the 10/100 Mb NIC in a desktop PC with a 1 Gb NIC and now the PC will not connect to the network. The administrator began troubleshooting on the switch. Using the switch output shown, what is the cause of the problem?

 

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A.

Speed is set to 100Mb/s.

B.

Input flow control is off.

C.

Encapsulation is set to ARPA.

D.

The port is administratively down.

E.

The counters have never been cleared.

 

Correct Answer: A

Explanation:

For PC to switch connectivity, the speed settings must match. In this case, the 1 Gb NIC will not be able to communicate with a 100Mb fast Ethernet interface, unless the 1Gb NIC can be configured to connect at 100Mb.

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