CompTIA N10-005 Online Practice Questions and Exam Preparation

CompTIA N10-005 Online Questions & Answers

• Question 141:

  A computer has lost network connectivity. The network technician determines the network cable and the cable drop are both good. Which of the following would the technician use to test the computer's NIC?

  A. Cable certifier
  B. Throughput tester
  C. Loopback plug
  D. Multimeter
  C. Loopback plug

• Question 142:

  A network administrator is tasked with blocking unwanted spam is being relayed by an internal email server. Which of the following is the FIRST step in preventing spam that is originating from bots on the network?

  A. Closing off port 25 on the firewall
  B. Closing off port 53 on the firewall
  C. Turning off the SMTP service on the email server
  D. Turning off the IMAP service on the email server
  A. Closing off port 25 on the firewall

• Question 143:

  A user is connecting to the Internet at an airport through an ad-hoc connection. Which of the following is the MOST likely security threat?

  A. Man-in-the-middle
  B. Social engineering
  C. Phishing
  D. DoS
  A. Man-in-the-middle

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  A man in the middle attack is one in which the attacker intercepts messages in a public key exchange and then retransmits them, substituting his own public key for the requested one, so that the two original parties still appear to be communicating with each other.

• Question 144:

  When installing new WAPs in a small office, which of the following is the BEST way to physically mitigate the threats from war driving?

  A. Implement multiple wireless encryption techniques.
  B. Implement PoE on each WAP.
  C. Decrease signal strength.
  D. Increase signal strength.
  C. Decrease signal strength.

• Question 145:

  A network administrator needs to configure a port on the switch that will enable all packets on a particular switch to be monitored. Which of the following would BEST complete this objective?

  A. Traffic shaping
  B. MAC filtering
  C. Port mirroring
  D. VLAN trunking
  C. Port mirroring

• Question 146:

  Discover, Offer, Request, and Acknowledge are the steps for which of the following protocols?

  A. DNS
  B. DOS
  C. DHCP
  D. DSL
  C. DHCP

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  When we install a dhcp server into our network then dhcp server works on the basis of dora process first dhcp server sends a hello message in to the network to discover the clients pc and when any client pc found in the network then, dhcp server offers the IP to client pc. When client pc selects any IP from dhcp server then client pc request for selected IP to dhcp server then dhcp server provide that IP to client pc and both send ackonledgement to each other.

• Question 147:

  The network support team is constantly getting calls from users in a specific area of an office building. The users are able to connect to the office wireless network, but they sometimes disconnect or experience very slow download speeds. Which of the following is MOST likely the problem?

  A. Incorrect service set identifier
  B. Low signal strength or interference
  C. Incorrect encryption scheme
  D. Incorrect IP address or subnet mask
  B. Low signal strength or interference

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  This generally happens when the signals are weak in any particular area and any movement can make you lose connectivity to the internet. In this case you can try to increase the radio power so that the signal strength can be increased.

• Question 148:

  After deploying a network switch, the network administrator is unable to remotely administer the device. The network administrator notices that the switch has the following configuration.

  Which of the following is the MOST likely cause of this issue? Management LAN: 192.168.10.0/24 Management interfacE. 192.168.10.2 255.255.255.0 Default gateway: 192.168.11.1 STP is enabled

  A. VLAN assignment
  B. Wrong subnet mask
  C. Switching loop
  D. Wrong gateway
  D. Wrong gateway

• Question 149:

  An administrator would like to get more speed out of a wireless network. The administrator decides to configure the AP with a frequency width of 40MHz. Which of the following features is the administrator MOST likely using?

  A. MIMO
  B. AP isolation
  C. Channel bonding
  D. Burst mode
  C. Channel bonding

• Question 150:

  Which of the following is a path vector routing protocol?

  A. RIP
  B. EIGRP
  C. ISIS
  D. OSPF
  E. BGP
  E. BGP

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  Because BGP involves a table of IP networks or "prefixes" which designate network reachability among autonomous systems (AS).