[Free] 2017(July) EnsurePass Examcollection Cisco 100-105 Dumps with VCE and PDF 171-180

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

Question No: 171 – (Topic 5)

Refer to the exhibit.

image

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?

  1. Speed is set to 100Mb/s.

  2. Input flow control is off.

  3. Encapsulation is set to ARPA.

  4. The port is administratively down.

  5. The counters have never been cleared.

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.

Question No: 172 – (Topic 5)

What should be part of a comprehensive network security plan?

  1. Allow users to develop their own approach to network security.

  2. Physically secure network equipment from potential access by unauthorized individuals.

  3. Encourage users to use personal information in their passwords to minimize the likelihood of passwords being forgotten.

  4. Delay deployment of software patches and updates until their effect on end-user

    equipment is well known and widely reported.

  5. Minimize network overhead by deactivating automatic antivirus client updates.

Answer: B Explanation:

From Cisco CCENT Exam Essentials study guide by Todd Lammle:

Know what the first part of a comprehensive network security plan is. The first part of your comprehensive network security plan is to physically secure network equipment from potential access by unauthorized individuals.

List the recommended ways of protecting network devices from outside network security threats. Use a firewall to restrict access from the outside to the network devices, and use SSH or another encrypted and authenticated transport to access device configurations.

Reference:

CCENT Cisco Certified Entry Networking Technician Study Guide: (ICND1 Exam 640-822), 2nd Edition

by Todd Lammle Published by Sybex, 2013

Question No: 173 – (Topic 5)

Refer to the exhibit.

image

Why was this message received?

  1. No VTY password has been set.

  2. No enable password has been set.

  3. No console password has been set.

  4. No enable secret password has been set.

  5. The login command has not been set on CON 0

  6. The login command has not been set on the VTY ports.

Answer: A Explanation:

Your CCNA certification exam is likely going to contain questions about Telnet, an application-level protocol that allows remote communication between two networking devices. With Telnet use being as common as it is, you had better know the details of how to configure it in order to pass your CCNA exam and to work in real-world networks.

The basic concept is pretty simple – we want to configure R1, but we#39;re at R2. If we telnet successfully to R1, we will be able to configure R1 if we#39;ve been given the proper permission levels. In this CCNA case study, R2 has an IP address of 172.12.123.2 and R1 an address of 172.12.123.1. Let#39;s try to telnet from R2 to R1.

R2#telnet 172.12.123.1

Trying 172.12.123.1 … Open Password required, but none set

[Connection to 172.12.123.1 closed by foreign host]

This seems like a problem, but it#39;s a problem we#39;re happy to have. A Cisco router will not let any user telnet to it by default. That#39;s a good thing, because we don#39;t want just anyone connecting to our router! The quot;password requiredquot; message means that no password has been set on the VTY lines on R1. Let#39;s do so now.

R1(config)#line vty 0 4

R1(config-line)#password baseball

A password of quot;baseballquot; has been set on the VTY lines, so we shouldn#39;t have any trouble using Telnet to get from R2 to R1. Let#39;s try that now.

R2#telnet 172.12.123.1

Trying 172.12.123.1 … Open

User Access Verification Password:

R1gt;

We#39;re in, and placed into user exec mode. Reference:

http://www.mcmcse.com/cisco/guides/telnet_passwords_and_privilege_levels.shtml

Question No: 174 – (Topic 5)

image

image

Which two of the following are true regarding the configuration of RouterA? (Choose two.)

  1. At least 5 simultaneous remote connections are possible

  2. Only telnet protocol connections to RouterA are supported

  3. Remote connections to RouterA using telnet will succeed

  4. Console line connections will nevertime out due to inactivity

  5. Since DHCP is not used on Fa0/1 there is not a need to use the NAT protocol

Answer: A,C

Question No: 175 – (Topic 5)

Refer to the exhibit.

image

An administrator cannot connect from R1 to R2. To troubleshoot this problem, the administrator has entered the command shown in the exhibit. Based on the output shown, what could be the problem?

  1. The serial interface is configured for half duplex.

  2. The serial interface does not have a cable attached.

  3. The serial interface has the wrong type of cable attached.

  4. The serial interface is configured for the wrong frame size.

  5. The serial interface has a full buffer.

Answer: C Explanation:

http://www.thebryantadvantage.com/CCNACertificationExamTutorialDirectlyConnectedSeri alInterfaces.htm

Since the output is not forthcoming it shows that the type of cable attached is wrong, though the cable is connected since it shows the cable type.

According to the figure DTE cable should connect to R1 on interface but while examining using show controllers serial 0/0 command it showing that a DCE is connected so the wrong type of cable is being used.

Question No: 176 – (Topic 5)

Refer to the exhibit.

image

A problem with network connectivity has been observed. It is suspected that the cable connected to switch port Fa0/9 on Switch1 is disconnected. What would be an effect of this cable being disconnected?

  1. Host B would not be able to access the server in VLAN9 until the cable is reconnected.

  2. Communication between VLAN3 and the other VLANs would be disabled.

  3. The transfer of files from Host B to the server in VLAN9 would be significantly slower.

  4. For less than a minute, Host B would not be able to access the server in VLAN9. Then normal network function would resume.

Answer: D Explanation:

Because Switch1 has multiple redundant links in this network, traffic would not work for less than a minute, and then it would get rerouted along the longer path to the host. The 1 minute outage would be the length of time it takes STP to converge.

Question No: 177 – (Topic 5)

Two routers named Atlanta and Brevard are connected by their serial interfaces as shown in the exhibit, but there is no data connectivity between them. The Atlanta router is known to have a correct configuration.

image

Given the partial configurations shown in the exhibit, what is the problem on the Brevard router that is causing the lack of connectivity?

  1. A loopback is not set.

  2. The IP address is incorrect.

  3. The subnet mask is incorrect.

  4. The serial line encapsulations are incompatible.

  5. The maximum transmission unit (MTU) size is too large.

  6. The bandwidth setting is incompatible with the connected interface.

Answer: B Explanation:

The connection between two routers must have IP addresses that belong to the same subnet, but in this case Atlanta is using 192.168.10.1/24 and the other is in 192.168.11.1/24.

Question No: 178 – (Topic 5)

A company has placed a networked PC in a lobby so guests can have access to the corporate directory.

A security concern is that someone will disconnect the directory PC and re-connect their laptop computer and have access to the corporate network. For the port servicing the lobby, which three configuration steps should be performed on the switch to prevent this? (Choose three.)

  1. Enable port security.

  2. Create the port as a trunk port.

  3. Create the port as an access port.

  4. Create the port as a protected port.

  5. Set the port security aging time to 0.

  6. Statically assign the MAC address to the address table.

  7. Configure the switch to discover new MAC addresses after a set time of inactivity.

Answer: A,C,F Explanation:

If port security is enabled and the port is only designated as access port, and finally static MAC address is assigned, it ensures that even if a physical connection is done by taking out the directory PC and inserting personal laptop or device, the connection cannot be made to the corporate network, hence ensuring safety.

Question No: 179 – (Topic 5)

Refer to the exhibit.

image

A technician pastes the configurations in the exhibit into the two new routers shown. Otherwise, the routers are configured with their default configurations.

A ping from Host1 to Host 2 fails, but the technician is able to ping the S0/0 interface of R2

from Host 1. The configurations of the hosts have been verified as correct. What could be the cause of the problem?

  1. The serial cable on R1 needs to be replaced.

  2. The interfaces on R2 are not configured properly

  3. R1 has no route to the 192.168.1.128 network.

  4. The IP addressing scheme has overlapping subnetworks.

  5. The ip subnet-zero command must be configured on both routers.

Answer: C Explanation:

Without a static route pointing to the host 2 network the router R1 is unaware of the path to take to reach that network and reply traffic cannot be sent.

Question No: 180 – (Topic 5)

Refer to the exhibit.

image

Why did the device return this message?

  1. The command requires additional options or parameters

  2. There is no show command that starts with ru.

  3. The command is being executed from the wrong router mode.

  4. There is more than one show command that starts with the letters ru.

Answer: D Explanation:

Answer D is correct because when you type the incomplete command it will not autocomplete if there is more than one option for completing the command. In this case,

there is another command that also starts with 鈥渟how ru鈥?/p>

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