CompTIA N10-005 Online Practice Questions and Exam Preparation

CompTIA N10-005 Online Questions & Answers

• Question 271:

  Several users are reporting that they are unable to connect to the network. After further investigation, the network administrator notices that a newly configured Layer 2 device lost its configuration. Which of the following MOST likely caused the issue?

  A. Wrong default gateway
  B. Wrong DNS
  C. Switching loop
  D. Power failure
  D. Power failure

• Question 272:

  When troubleshooting a connectivity issue, which of the following commands will give the technician a list of the host names connected to the network?

  A. ping
  B. nbtstat
  C. arp
  D. msconfig
  B. nbtstat

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  The Nbtstat command is a great command to use when you need to display the NetBIOS over TCP/IP protocol statistics. The Nbtstat command can also be used to display NetBIOS name tables for both local and remote computers.

• Question 273:

  A network administrator is performing a penetration test on the WPA2 wireless network. Which of the following can be used to find the key?

  A. DoS
  B. Buffer overflow
  C. Dictionary file
  D. SQL injection
  C. Dictionary file

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  A file used by the debugger. It contains information about a program's structure and contents. The Compiler creates the dictionary file in the first phase of compilation, when checking the syntax. A dictionary file has the filename extension .idy, and is often referred to an .idy file.

• Question 274:

  A technician needs to make a web server with a private IP address reachable from the Internet. Which of the following should the technician implement on the company firewall?

  A. DOCSIS
  B. NAT
  C. CIDR
  D. VPN
  B. NAT

• Question 275:

  A CAT5e network cable run needs to be installed over fluorescent lighting arrays in an office building. Which of the following cable types would be BEST suited for such an installation?

  A. UTP
  B. Plenum
  C. Coaxial
  D. STP
  D. STP

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  Shielded twisted pair is a special kind of copper telephone wiring used in some business installations. An outer covering or shield is added to the ordinary twisted pair telephone wires; the shield functions as a ground.

  Twisted pair is the ordinary copper wire that connects home and many business computers to the telephone company. To reduce crosstalk or electromagnetic induction between pairs of wires, two insulated copper wires are twisted around each other. Each signal on twisted pair requires both wires

• Question 276:

  The Network Interface Layer of the TCP/IP model corresponds to which of the following layers of the OSI model? (Select TWO).

  A. Network
  B. Session
  C. Transport
  D. Physical
  E. Data link
  D. Physical
  E. Data link

  ---

  The network layer is responsible for packet forwarding including routing through intermediate routers, whereas the data link layer is responsible for media access control, flow control and error checking.

• Question 277:

  A user cannot access the LAN after working successfully most of the day. Which of the following should the network administrator check FIRST?

  A. VLAN settings
  B. History logs
  C. Patch cable
  D. Port security
  C. Patch cable

  ---

  A patch cable or patch cord or patch lead is an electrical or optical cable used to connect ("patch- in") one electronic or optical device to another for signal routing.

• Question 278:

  Which of the following connector types are used in terminating singlemode fiber cables? (Select TWO).

  A. LC
  B. F-connector
  C. DB-9
  D. BNC
  E. RJ-11
  F. SC
  A. LC
  F. SC

  ---

  A variety of optical fiber connectors are available, but SC and LC connectors are the most common types of connectors on the market.[citation needed] Typical connectors are rated for 5001,000 mating cycles. The main differences among types of connectors are dimensions and methods of mechanical coupling. Generally, organizations will standardize on one kind of connector, depending on what equipment they commonly use. Different connectors are required for multimode, and for single-mode fibers

• Question 279:

  Which of the following network appliances will only detect and not prevent malicious network activity?

  A. IDS
  B. Network sniffer
  C. IPS
  D. Firewall
  A. IDS

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  An intrusion detection system (IDS) is a device or software application that monitors network or system activities for malicious activities or policy violations and produces reports to a management station. Some systems may attempt to stop an intrusion attempt but this is neither required nor expected of a monitoring system.

• Question 280:

  Which of the following should be mitigated by employing proper coding techniques when developing software?

  A. Distributed denial of service attacks
  B. Buffer overflows
  C. War driving
  D. Packet sniffing
  B. Buffer overflows