[Free] 2018(June) Dumps4cert CompTIA RC0-N06 Dumps with VCE and PDF Download 41-50

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CompTIA Network Recertification Exam for Continuing Education

Question No: 41 – (Topic 2)

A company is experiencing accessibility issues reaching services on a cloud-based system. Which of the following monitoring tools should be used to locate possible outages?

  1. Network analyzer

  2. Packet analyzer

  3. Protocol analyzer

  4. Network sniffer

Answer: A Explanation:

A network analyzer is a useful tool, helping you do things like track traffic and malicious usage on the network.

Question No: 42 – (Topic 2)

Which of the following requires the network administrator to schedule a maintenance window?

  1. When a company-wide email notification must be sent.

  2. A minor release upgrade of a production router.

  3. When the network administrator#39;s laptop must be rebooted.

  4. A major release upgrade of a core switchin a test lab.

Answer: B Explanation:

During an update of a production router the router would not be able to route packages and the network traffic would be affected. It would be necessary to announce a maintenance window.

In information technologyand systems management, a maintenance window is a period of time designated in advance by the technical staff, during which preventive maintenance that could cause disruption of service may be performed.

Question No: 43 – (Topic 2)

A system administrator wants to update a web-based application to the latest version. Which of the following procedures should the system administrator perform FIRST?

  1. Remove all user accounts on the server

  2. Isolate the server logically on the network

  3. Block all HTTP traffic to the server

  4. Install the software in a test environment

Answer: D Explanation:

We should test the new version of the application in a test/lab environment first. This way

any potential issues with thenew software would not affect the production environment. Set up a test lab on an isolated network in your organization. Do not set up your test lab in your production environment.

Question No: 44 – (Topic 2)

Which of the following communication technologies would MOST likely be used to increase bandwidth over an existing fiber optic network by combining multiple signals at different wavelengths?

  1. DWDM

  2. SONET

  3. ADSL

  4. LACP

Answer: A Explanation:

Dense wavelength-division multiplexing (DWDM) is a high-speed optical network type commonly used in MANs (metropolitan area networks).DWDM uses as many as 32 light wavelengths on a single fiber, where each wavelength can support as many as 160 simultaneous transmissions using more than eight active wavelengths per fiber.

Question No: 45 – (Topic 2)

Multiple students within a networking lab are required to simultaneously access a single switch remotely. The administrator checks and confirms that the switch can be accessed using the console, but currently only one student can log in at a time. Which of the following should be done to correct this issue?

  1. Increase installed memory and install a larger flash module.

  2. Increase the number of VLANs configured on the switch.

  3. Decrease the number of VLANs configured on the switch.

  4. Increase the number of virtual terminals available.

Answer: D Explanation:

You can set a limit of how many virtual terminals that can simultaneously be connected to a switch. Here the limit is set to one, and we should increase it.

For a Cisco network device:

You can use virtual terminal lines to connect to your Cisco NX-OS device, for example a switch. Secure Shell (SSH) and Telnet create virtual terminal sessions. You can configure an inactive session timeout and a maximum sessions limit for virtual terminals.

session-limit sessions Example:

switch(config-line)# session-limit 10

Configures the maximum number of virtual sessions for the Cisco NX-OS device. The range is from 1 to 64.

Question No: 46 – (Topic 2)

A technician has finished configuring AAA on a new network device. However, the technician is unable to log into the device with LDAP credentials but is able to do so with a local user account. Which of the following is the MOST likely reason for the problem?

  1. Username is misspelled is the device configuration file

  2. IDS is blocking RADIUS

  3. Shared secret key is mismatched

  4. Group policy has not propagated to the device

Answer: C Explanation:

AAA through RADIUS uses a Server Secret Key (a shared secret key). A secret key mismatch could cause login problems.

Authentication, authorization, and accounting (AAA) allows anetwork to have a single repository of user credentials. A network administrator can then, for example, supply the same credentials to log in to various network devices (for example, routers and switches). RADIUS and TACACS are protocols commonly used tocommunicate with an AAA server.

Question No: 47 – (Topic 2)

A training class is being held in an auditorium. Hard-wired connections are required for all laptops that will be used. The network technician must add a switch to the room through which the laptops will connect for full network access. Which of the following must the technician configure on a switch port, for both switches, in order to create this setup?

  1. DHCP

  2. Split horizon

  3. CIDR

  4. TRUNK

Answer: D Explanation:

We should use trunk ports to set up a VLAN for the laptops that will be used in the auditorium.

A trunk portis a port that is assigned to carry traffic for all the VLANs that are accessible by a specific switch, a process known as trunking. Trunk ports mark frames with unique identifying tags – either 802.1Q tags or Interswitch Link (ISL) tags – as they move between switches. Therefore, every single frame can be directed to its designated VLAN.

Question No: 48 – (Topic 2)

A technician is configuring a managed switch and needs to enable 802.3af. Which of the following should the technician enable?

  1. PoE

  2. Port bonding

  3. VLAN

  4. Trunking

Answer: A Explanation:

Power over Ethernet (PoE) is defined by the IEEE 802.3af and 802.3at standards.

PoE allows an Ethernet switch to provide power to an attached device (for example, a wireless access point, security camera, orIP phone) by applying power to the same wires in a UTP cable that are used to transmit and receive data.

Question No: 49 – (Topic 2)

When two or more links need to pass traffic as if they were one physical link, which of the following would be used to satisfy the requirement?

A. Port mirroring

B. 802.1w

  1. LACP

  2. VTP

Answer: C Explanation:

The Link Aggregation Control Protocol (LACP) enables you to assign multiple physicallinks to a logical interface, which appears as a single link to a route processor.

Question No: 50 – (Topic 2)

A desktop computer is connected to the network and receives an APIPA address but is unable to reach the VLAN gateway of Other PCs in the VLAN subnet are able to reach the Internet. Which of the following is MOST likely the source of the problem?

  1. 802.1q is not configured on the switch port

  2. APIPA has been misconfigured on the VLAN

  3. Bad SFP in the PC#39;s 10/100 NIC

  4. OS updates havenot been installed

Answer: A Explanation:

APIPA addresses are self-configured and are used when the client is unable to get proper IP configuration from a DHCP server. One possible source of this problem is that switch port, to which the computer is connected, is misconfigured. The 802.1q protocol is used to configure VLAN trunking on switch ports.

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