BR0-002 CompTIA Network + Bridge Practice Exam Set 2

Which wireless technology permits communication to run at 2.4Ghz and up to 54Mbps?


Options are :

  • 802.11a
  • 802.11b
  • 802.11n
  • 802.11g (Correct)

Answer : 802.11g

A companys network currently has three Microsoft Windows 2000 servers. A Novell NetWare 4.0 server is added, but none of the Microsoft Windows 2000 servers can access the Novell server. What must be done so that the Microsoft Windows 2000 servers can access the Novell Net Ware 4.0 server?


Options are :

  • Install NWLINK on the Microsoft 2000 servers (Correct)
  • Install NetBEUI (Network Basic Input / Output Extended User Interface) on the Microsoft Windows 2000 servers
  • Install NetBEUI (Network Basic Input / Output Extended User Interface) on the Novell NetWare 4.0 server
  • Install NWLINK on the Novell NetWare 4.0 server

Answer : Install NWLINK on the Microsoft 2000 servers

What does the 10 stand for in 10Base-T?   


Options are :

  • Speed (Correct)
  • Length
  • Delay
  • Resistance

Answer : Speed

A computer can not connect to the network any more. The technician tries to ping the loopback address and receives no response back and gets a timeout error message. Which action should the technician take next?


Options are :

  • None of the Above
  • Restart the router
  • Restart the computer (Correct)
  • Replace the WAP
  • Replace the Ethernet cable

Answer : Restart the computer

In telecommunications, connection less describes communication between two network end points in which a message can be sent from one end point to another without prior arrangement. Which of the following is considered a connectionless-oriented protocol?


Options are :

  • UDP (Correct)
  • IP
  • SPX
  • TCP

Answer : UDP

Single-mode fiber-optic cable is used in ______.


Options are :

  • 10GBase-ER and 10 GBase-LR (Correct)
  • 1000Base-SR and10 GBase-SR
  • 100Base-FX and 1000Base-SX
  • FDDI (Fiber Distributed Data Interface)

Answer : 10GBase-ER and 10 GBase-LR

What is the purpose of the UDP protocol?


Options are :

  • Server to server connections
  • Video conferencing (Correct)
  • Uploading files to a FTP server
  • Typical user LAN traffic

Answer : Video conferencing

Which authentication protocol sends user credentials in plain text?


Options are :

  • PAP
  • MS-CHAP
  • CHAP
  • MS-CHAPv2 (Correct)

Answer : MS-CHAPv2

Which network monitoring utility can make sure that there are no major collisions occurring on the network?



Options are :

  • Discovery and connectivity software
  • Interface counters (Correct)
  • Network access control software
  • Antivirus and anti-spyware software

Answer : Interface counters

Which of the following options allows for secure communication over the Internet?


Options are :

  • RDP (Remote Desktop Protocol)
  • SLIP (Serial Line Internet Protocol)
  • RAS (Remote Access Service)
  • VPN (Virtual Private Network) (Correct)

Answer : VPN (Virtual Private Network)

Social engineering is the act of manipulating people into performing actions or divulging confidential information. While similar to a confidence trick or simple fraud, the term typically applies to trickery or deception for the purpose of information gathering, fraud or computer system access; in most cases the attacker never comes face-to-face with the victim. Which of the following can mitigate social engineering attacks?


Options are :

  • Policies B. Logical network diagram C. Baselines D. Wiring schematics (Correct)
  • Baselines
  • Wiring schematics
  • Logical network diagram

Answer : Policies B. Logical network diagram C. Baselines D. Wiring schematics

In telecommunications, connection less describes communication between two network end points in which a message can be sent from one end point to another without prior arrangement. Which of the following is considered a connectionless-oriented protocol?


Options are :

  • UDP (Correct)
  • IP
  • TCP
  • SPX

Answer : UDP

A routing protocol is a protocol that specifies how routers communicate with each other, disseminating information that enables them to select routes between any two nodes on a Computer network, the choice of the route being done by routing algorithms. Which routing protocol is a link state and uses a backbone called area 0? A. OSPF B. BGP C. IS-IS D. EIGRP Answer: A   


Options are :

  • OSPF (Correct)
  • IS-IS
  • EIGRP
  • BGP

Answer : OSPF

John works as a network administrator of his company. He is noticing timeouts when a user logs in. Which of the following would permit John to spread network authentication request traffic across multiple authentication servers?


Options are :

  • Traffic shaping
  • Load balancing (Correct)
  • QoS
  • Caching engines

Answer : Load balancing

Horizontal cross-connect (HCC) is a term in networks for a wiring closet where the horizontal cabling connects to a patch panel which is connected by backbone cabling to the main distribution facility. Which of the following is the maximum CAT3 length acceptable for a horizontal cross connect?


Options are :

  • 256 meters (840 feet)
  • 328 meters (1076 feet)
  • 100 meters (328 feet) (Correct)
  • 125 meters (410 feet)

Answer : 100 meters (328 feet)

Multimode fiber-optic cable is used in ______.

 


Options are :

  • 1000 Base-CX
  • 10G Base - SR (Correct)
  • 10G Base-ER
  • 10G Base-LR

Answer : 10G Base - SR

Which of the following is the 66 block termination point?


Options are :

  • Coaxial compliant.
  • IEEE 1394 compliant.
  • CAT3 compliant. (Correct)
  • CAT6 compliant.

Answer : CAT3 compliant.

What is the maximum length for a 1000Base-SX cable segment? 


Options are :

  • 300 meters
  • 550 meters (Correct)
  • 10 kilometers
  • 40 kilometers

Answer : 550 meters

A routing protocol is a protocol that specifies how routers communicate with each other, disseminating information that enables them to select routes between any two nodes on a Computer network, the choice of the route being done by routing algorithms. Which routing protocol is a link state and uses a backbone called area 0?


Options are :

  • BGP
  • EIGRP
  • OSPF (Correct)
  • IS-IS

Answer : OSPF

Look at the following items carefully, which is the approximate standard data transmission rate in both directions for a T1 line?


Options are :

  • 10.54Mbps
  • 1.54Mbps (Correct)
  • 6.31Mbps
  • 44.73Mbps

Answer : 1.54Mbps

Should a break occur in the cable of an Ethernet network, ______ will be offline.


Options are :

  • The hosts upstream from the failed cable
  • The host directly connected to the failed cable (Correct)
  • None of the hosts on the network
  • All hosts on the network

Answer : The host directly connected to the failed cable

Tom is a network technician of his company. He notices that the phone company has installed the smart jack in the wrong location. It should be moved 75 feet (23 meters) to the computer room. Which of the following should be requested?


Options are :

  • A 66 block extension
  • Ademarc extension (Correct)
  • A replacement smart jack
  • A 110 block extension

Answer : Ademarc extension

Which tool can be used to prepare an Ethernet cable for RJ-45 connectors?


Options are :

  • Cable stripper (Correct)
  • Cable tester
  • Butt set
  • Punch down tool

Answer : Cable stripper

When using a protocol analyzer to examine a traffic stream, the network technician discovers that latency from packet to packet vary greatly. Which problem is the technician witnessing?


Options are :

  • High latency
  • Jitter (Correct)
  • Packet collisions
  • Packet loss

Answer : Jitter

Which access method is used in IEEE 802.11 networks?


Options are :

  • Half duplex
  • Token passing
  • CSMA / CD (Carrier Sense Multiple Access / Collision Detection)
  • CSMA / CA (Carrier Sense Multiple Access / Collision Avoidance) (Correct)

Answer : CSMA / CA (Carrier Sense Multiple Access / Collision Avoidance)

Which access method is used in Ethernet?


Options are :

  • CSMA / CD (Carrier Sense Multiple Access / Collision Detection) (Correct)
  • Full duplex
  • Token passing
  • CSMA / CA (Carrier Sense Multiple Access / Collision Avoidance)

Answer : CSMA / CD (Carrier Sense Multiple Access / Collision Detection)

In an 802.11g network, which is the maximum transmission speed to be received indoors?


Options are :

  • 1Mbps
  • 54Mbps
  • 11Mbps
  • 54Mbps (Correct)

Answer : 54Mbps

Which network topology is the LEAST fault tolerant?


Options are :

  • Hybrid
  • Star
  • Bus (Correct)
  • Mesh

Answer : Bus

Which device can forward network traffic according to the destination IP address?


Options are :

  • A multilayer switch (Correct)
  • A layer two switch
  • A CSU/DSU
  • An IPS

Answer : A multilayer switch

Look at the following devices carefully, which one uses a physical star and a logical bus?


Options are :

  • Basic firewall
  • Modem
  • Hub (Correct)
  • Router

Answer : Hub

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