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JK0-022 Latest Exam (Sep 2017)

[Free] 2017(Sep) EnsurePass Braindumps CompTIA JK0-022 Dumps with VCE and PDF 31-40

September 18, 2017

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2017 Sep CompTIA Official New Released JK0-022
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CompTIA Academic/E2C Security Certification Exam Voucher Only

Question No: 31 – (Topic 1)

A company has recently implemented a high density wireless system by having a junior technician install two new access points for every access point already deployed. Users are now reporting random wireless disconnections and slow network connectivity. Which of the following is the MOST likely cause?

  1. The old APs use 802.11a

  2. Users did not enter the MAC of the new APs

  3. The new APs use MIMO

  4. A site survey was not conducted

Answer: D Explanation:

To test the wireless AP placement, a site survey should be performed.

Question No: 32 – (Topic 1)

Pete, a security administrator, is informed that people from the HR department should not have access to the accounting department’s server, and the accounting department should not have access to the HR department’s server. The network is separated by switches.

Which of the following is designed to keep the HR department users from accessing the accounting department’s server and vice-versa?

  1. ACLs

  2. VLANs

  3. DMZs

  4. NATS

Answer: B Explanation:

A virtual local area network (VLAN) is a hardware-imposed network segmentation created by switches. VLANs are used for traffic management. Communications between ports within the same VLAN occur without hindrance, but communications between VLANs require a routing function.

Question No: 33 – (Topic 1)

An administrator needs to segment internal traffic between layer 2 devices within the LAN. Which of the following types of network design elements would MOST likely be used?

  1. Routing

  2. DMZ

  3. VLAN

  4. NAT

Answer: C

Explanation:

A virtual local area network (VLAN) is a hardware-imposed network segmentation created by switches. VLANs are used for traffic management. Communications between ports within the same VLAN occur without hindrance, but communications between VLANs require a routing function.

Question No: 34 – (Topic 1)

An administrator wishes to hide the network addresses of an internal network when connecting to the Internet. The MOST effective way to mask the network address of the users would be by passing the traffic through a:

  1. stateful firewall

  2. packet-filtering firewall

  3. NIPS

  4. NAT

Answer: D Explanation:

NAT serves as a basic firewall by only allowing incoming traffic that is in response to an internal system’s request.

Question No: 35 – (Topic 1)

Which of the following IP addresses would be hosts on the same subnet given the subnet mask 255.255.255.224? (Select TWO).

A. 10.4.4.125

B. 10.4.4.158

C. 10.4.4.165

D. 10.4.4.189

E. 10.4.4.199

Answer: C,D Explanation:

With the given subnet mask, a maximum number of 30 hosts between IP addresses

10.4.4.161 and 10.4.4.190 are allowed. Therefore, option C and D would be hosts on the same subnet, and the other options would not.

References:

http://www.subnetonline.com/pages/subnet-calculators/ip-subnet-calculator.php

Question No: 36 – (Topic 1)

A technician is unable to manage a remote server. Which of the following ports should be opened on the firewall for remote server management? (Select TWO).

A. 22 B. 135 C. 137 D. 143 E. 443 F. 3389

Answer: A,F Explanation:

A secure remote administration solution and Remote Desktop protocol is required.

Secure Shell (SSH) is a secure remote administration solution and makes use of TCP port

22. Remote Desktop Protocol (RDP) uses TCP port 3389.

Question No: 37 – (Topic 1)

Which of the following would allow the organization to divide a Class C IP address range into several ranges?

  1. DMZ

  2. Virtual LANs

  3. NAT

  4. Subnetting

Answer: D

Explanation:

Subnetting is a dividing process used on networks to divide larger groups of hosts into smaller collections.

Question No: 38 – (Topic 1)

Which of the following is a programming interface that allows a remote computer to run programs on a local machine?

  1. RPC

  2. RSH

  3. SSH

  4. SSL

Answer: A Explanation:

Remote Procedure Call (RPC) is a programming interface that allows a remote computer to run programs on a local machine.

Question No: 39 – (Topic 1)

A corporation is looking to expand their data center but has run out of physical space in which to store hardware. Which of the following would offer the ability to expand while keeping their current data center operated by internal staff?

  1. Virtualization

  2. Subnetting

  3. IaaS

  4. SaaS

Answer: A Explanation:

Virtualization allows a single set of hardware to host multiple virtual machines.

Question No: 40 – (Topic 1)

Which of the following should be deployed to prevent the transmission of malicious traffic between virtual machines hosted on a singular physical device on a network?

  1. HIPS on each virtual machine

  2. NIPS on the network

  3. NIDS on the network

  4. HIDS on each virtual machine

Answer: A Explanation:

Host-based intrusion prevention system (HIPS) is an installed software package which monitors a single host for suspicious activity by analyzing events occurring within that host.

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