CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 1:

  Which of the following is true of a client/server topology?

  A. Virtual servers are used to stream data to other remote servers
  B. Servers are used to connect to centralized clients
  C. Remote clients connect to a centralized server
  D. Remote clients connect to each other via a virtual server
  C. Remote clients connect to a centralized server

• Question 2:

  Which of the following 802.11 standards can operate at both 2.4Ghz and 5.0Ghz?

  A. a
  B. b
  C. g
  D. n
  D. n

• Question 3:

  Users inform an administrator that the network is slow. The administrator notices the bulk of the traffic is SIP and RTP traffic. Which of the following could the administrator do to help BEST alleviate the traffic congestion for the users?

  A. Create an ACL on the switches and routers that are dropping SIP and RTP packets.
  B. Create a QoS policy prioritizing users over RTP and SIP traffic.
  C. Create another VLAN for SIP and RTP traffic.
  D. Create a rule to throttle SIP and RTP to 10Kbps or less.
  C. Create another VLAN for SIP and RTP traffic.

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  As if we will create a vlan for sip and rtp traffic only this traffic will flow from the ports then .

• Question 4:

  Which of the following is a common physical network topology?

  A. Cross-over
  B. Loopback
  C. Star
  D. Straight
  C. Star

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  A star network consists of one central switch, hub or computer, which acts as a conduit to transmit messages. This consists of a central node, to which all other nodes are connected; this central node provides a common connection point for all nodes through a hub. In star topology, every node (computer workstation or any other peripheral) is connected to central node called hub or switch.

• Question 5:

  A user is unable to access any network resources. The IP configuration of the workstation is as follows: IP Address: 192.168.10.32 Subnet Mask: 255.255.255.240 Default Gateway: 192.168.10.46 Which of the following would allow the user to connect to network resources?

  A. Change the default gateway to 192.168.10.1
  B. Change the default gateway to 192.168.10.254
  C. Change the IP address to 192.168.10.31
  D. Change the IP address to 192.168.10.33
  D. Change the IP address to 192.168.10.33

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  The given ip address is network id which we don't assign to the host so the next ip is applicable to this.

• Question 6:

  A technician would like to connect two separate LAN networks at a small business for a short period of time, to share files. The connection needs to be temporary, and is physically impossible using standard network cabling. Which of the following is the BEST way to connect the networks in this situation?

  A. Wireless repeater
  B. Wireless bridge
  C. Bluetooth
  D. RADIUS server
  B. Wireless bridge

• Question 7:

  Which of the following ports would have to be allowed through a firewall for NTP to pass on its default port?

  A. 123
  B. 143
  C. 153
  D. 163
  A. 123

• Question 8:

  At which layer of the OSI and TCP/IP model would HTTP and FTP be found?

  A. Application
  B. Network
  C. Session
  D. Data Link
  A. Application

• Question 9:

  A network administrator is adding 24 - 802.3af class 2 VoIP phones and needs to purchase a single PoE switch to power the phones. Which of the following is the MINIMUM PoE dedicated wattage the switch supports to power all of the phones at full power?

  A. 96W
  B. 168W
  C. 240W
  D. 369.6W
  B. 168W

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  The switch supports 168W to power all the phones at full power.

• Question 10:

  Which of the following BEST describes the definition of DHCP?

  A. DHCP is utilized to dynamically lease IP addresses to hosts.
  B. DHCP is utilized to statically lease IP address to hosts.
  C. DHCP is utilized to permanently lease IP address dynamically to hosts.
  D. DHCP is utilized to permanently lease IP address statically to hosts.
  A. DHCP is utilized to dynamically lease IP addresses to hosts.

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  Because DHCP server maintains a database of available IP addresses and configuration information. When the server receives a request from a client, the DHCP server determines the network to which the DHCP client is connected, and then allocates an IP address or prefix that is appropriate for the client, and sends configuration information appropriate for that client