CompTIA N10-005 Online Practice Questions and Exam Preparation

CompTIA N10-005 Online Questions & Answers

• Question 681:

  Which of the following ports would have to be allowed through a firewall for POP3 traffic to pass on its default port?

  A. 110
  B. 123
  C. 143
  D. 443
  A. 110

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  Post Office Protocol (POP) is an application-layer Internet standard protocol used by local e-mail clients to retrieve e-mail from a remote server over a TCP/IP connection. POP3 server listens on well-known port 110.

• Question 682:

  Which of the following would a network administrator use to scan a network for vulnerabilities?

  A. ICMP
  B. NMAP
  C. ACL
  D. TCPDUMP
  B. NMAP

• Question 683:

  A technician grabs a network cable and connects two switches together. However, the ports fail to come up as indicated by the link lights. Which of the following is MOST likely the issue?

  A. Wrong subnet mask on the interfaces
  B. Mismatched MTU size
  C. Straight through instead of cross over cable
  D. SSID mismatch between the switches
  C. Straight through instead of cross over cable

• Question 684:

  Which wireless standard works at a MAXIMUM data rate of up to 11Mbps?

  A. 802.11a
  B. 802.11b
  C. 802.11g
  D. 802.1q
  B. 802.11b

• Question 685:

  A customer is implementing a VoIP infrastructure using an existing network. The customer currently has all network devices on the same subnet and would like the phones to be powered without the use of an AC adapter. Which of the following features should be enabled and configured to allow for reliable performance of the VoIP system? (Select THREE).

  A. WEP
  B. PoE
  C. VLANs
  D. SSL VPN
  E. IDS
  F. QoS
  B. PoE
  C. VLANs
  F. QoS

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  As customer don't want to use Ac adapter so Power over Ethernet is best option (PoE) as in this switch provide power to phones.Phones will transfer their power requirement via cdp to vlan assigned.And Qos provide the voice packet priority over the data packets to avoid jitter.

• Question 686:

  A proxy server would MOST likely be installed to provide which of the following functions? (Select TWO).

  A. Combined DNS and DHCP hosting
  B. Encryption
  C. Content filtering
  D. Fault tolerance
  E. Website caching
  C. Content filtering
  E. Website caching

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  A content-filtering web proxy server provides administrative control over the content that may be relayed in one or both directions through the proxy.

  A caching proxy server accelerates service requests by retrieving content saved from a previous request made by the same client or even other clients.

• Question 687:

  Joe, a remote user, has called the helpdesk with an issue on his machine. The technician would like to remote into the machine for troubleshooting but does not know the IP address or host name. Which of the following commands can the technician ask Joe to execute to gain this information?

  A. netstat
  B. ipconfig
  C. ping
  D. traceroute
  B. ipconfig

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  As ipconfig command will give the information which is assigned to nic for communication so that technician will contact joe with his ip.

• Question 688:

  Which of the following should the last line of an ACL normally contain?

  A. Explicit allow
  B. Statically routed
  C. Random access
  D. Implicit deny
  D. Implicit deny

• Question 689:

  A technician has traced a POTS line to a 110 block.

  Which of the following devices would the technician MOST likely use to see if the line carries a dial tone?

  A. Toner Probe
  B. Punch Down Tool
  C. Protocol Analyzer
  D. Butt Set
  D. Butt Set

• Question 690:

  A technician has low signal strength connecting two wireless bridges. Which of the following could be the problem?

  A. Low PoE wattage
  B. Opposing antenna polarizations
  C. Short distance between antennas
  D. WPA 2 encryption
  B. Opposing antenna polarizations

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  The polarization of an antenna is the orientation of the electric field (E-plane) of the radio wave with respect to the Earth's surface and is determined by the physical structure of the antenna and by its orientation. It has nothing in common with antenna directionality terms: "horizontal", "vertical", and "circular". Thus, a simple straight wire antenna will have one polarization when mounted vertically, and a different polarization when mounted horizontally.