CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 191:

  A small company has a single multi-layer switch. The company currently has all network devices on the same subnet but would like to switch the servers to another subnet for security reasons. The company cannot budget any more money to purchase additional hardware. Which of the following features should be used to achieve the new company requirements?

  A. PAT
  B. PoE
  C. VLAN
  D. QoS
  C. VLAN

• Question 192:

  Which of the following DHCP options is used to exclude IP addresses from being distributed to other computers?

  A. Reservations
  B. Suffixes
  C. Leases
  D. Gateways
  A. Reservations

• Question 193:

  A network administrator needs to deploy seven equally spaced WAPs along an underground tunnel. Which of the following is the BEST channel design to avoid interference?

  A. 1, 3, 5, 7, 9, 11, 1
  B. 1, 6, 11, 1, 1, 6, 11
  C. 1, 11, 1, 11, 1, 11, 1
  D. 11, 1, 6, 11, 1, 6, 11
  D. 11, 1, 6, 11, 1, 6, 11

• Question 194:

  A corporate office recently had a security audit and the IT manager has decided to implement very strict security standards. The following requirements are now in place for each employee logging into the network: Biometric fingerprint scan Complex 12 character password 5 digit pin code authorization Randomized security question prompt upon login Which of the following security setups does this company employ?

  A. Single factor authentication
  B. Three factor authentication
  C. Two factor authentication
  D. Single sign-on
  C. Two factor authentication

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  According to proponents, two-factor authentication could drastically reduce the incidence of online identity theft, phishing expeditions, and other online fraud, because the victim's password would no longer be enough to give a thief access to their information.

• Question 195:

  Multiple networked devices running on the same physical hardware that provide central access to applications and files, where each device runs as a piece of software are known as:

  A. Virtual desktops.
  B. Switches.
  C. PBXs.
  D. Virtual servers.
  D. Virtual servers.

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  A Virtual server, usually a Web server, that shares computer resources with other virtual servers. In this context, the virtual part simply means that it is not a dedicated server -- that is, the entire computer is not dedicated to running the server software

• Question 196:

  Which of the following VPN technologies uses IKE and ISAKMP for key exchange?

  A. SSL
  B. IPSec
  C. L2TP
  D. PPTP
  B. IPSec

• Question 197:

  802.11n can operate at which of the following frequencies? (Select TWO).

  A. 2.4Mhz
  B. 2.5Mhz
  C. 5Mhz
  D. 2.4Ghz
  E. 2.5Ghz
  F. 5Ghz
  D. 2.4Ghz
  F. 5Ghz

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  802.11n is an amendment which improves upon the previous 802.11 standards by adding multiple-input multiple-output antennas (MIMO). 802.11n operates on both the 2.4 GHz and the lesser used 5 GHz bands

• Question 198:

  A customer wants to increase firewall security. Which of the following are common reasons for implementing port security on the firewall? (Select TWO).

  A. Preventing dictionary attacks on user passwords
  B. Reducing spam from outside email sources
  C. Shielding servers from attacks on internal services
  D. Blocking external probes for vulnerabilities
  E. Directing DNS queries to the primary server
  C. Shielding servers from attacks on internal services
  D. Blocking external probes for vulnerabilities

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  Port security is required because if we keep the ports unsecure then hackers can do port scanning and can compromise the internal secured network so we will have to shield servers to avoid attacks from outside and we need to block incoming scanning request coming from outside.

• Question 199:

  Which of the following is a Class A IP address?

  A. 10.4.0.1
  B. 169.254.0.1
  C. 192.168.0.1
  D. 254.200.0.1
  A. 10.4.0.1

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  Class A ip address ranges from 10.0.0.0 to 10.255.255.255

• Question 200:

  The process of restricting internal web traffic to an employee-only website based upon Layer 3 addresses is known as which of the following?

  A. MAC filtering
  B. Traffic shaping
  C. Session filtering
  D. IP filtering
  D. IP filtering