BR0-002 CompTIA Network + Bridge Practice Exam Set 3

Which network cable can configure a layer 2 switch via the console port? 


Options are :

  • Crossover
  • Straight
  • Loopback
  • Rollover (Correct)

Answer : Rollover

Which network relies on CSMA / CD (Carrier Sense Multiple Access / Collision Detection) for media access control?


Options are :

  • Wireless
  • Token Ring
  • Ethernet (Correct)
  • Token Bus

Answer : Ethernet

Which description is correct about the function of a stateful firewall?


Options are :

  • Maintains connection information for all established TCP flows. (Correct)
  • Maintains connection information for all established UDP flows.
  • Offers less functionality for packet inspection than does a stateless firewall.
  • Can act only as an application layer firewall.

Answer : Maintains connection information for all established TCP flows.

Which encryption method permits a user to connect to a VPN by use of HTTPS?


Options are :

  • PPTP
  • IPSec
  • L2TP
  • SSL (Correct)

Answer : SSL

Which access method is used in Token Ring?


Options are :

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

Answer : Token passing

Which cable standard has a maximum effective range of 25 meters (82 feet)?


Options are :

  • 1000Base-CX (Correct)
  • 1000Base-LX
  • 1000Base-SX
  • 1000Base-LX 1000Base-T

Answer : 1000Base-CX

Which network topology would require the MOST cable?


Options are :

  • The full-mesh topology. (Correct)
  • The star topology.
  • The ring topology.
  • The bus topology.

Answer : The full-mesh topology.

Your company has implemented a VoIP phone system. Power is not available in all areas of the building. Which equipment can be used to solve this problem?


Options are :

  • Hubs
  • CSUs
  • Routers
  • PoE switches (Correct)

Answer : PoE switches

Ethernet is a family of frame-based computer networking technologies for local area networks (LANs). An Ethernet LAN has several trunk links passing near heavy machinery resulting in EMI. Which type of Ethernet media can avoid interference?   


Options are :

  • 100Base-FX (Correct)
  • 10Base5
  • 100Base-T
  • 10Base2

Answer : 100Base-FX

Plain old telephone service (POTS) is the voice-grade telephone service that remains the basic form of residential and small business service connection to the telephone network in most parts of the world. Which connector would be used on a POTS connection?


Options are :

  • MT-RJ
  • RJ-45
  • F-Type
  • RJ-11 (Correct)

Answer : RJ-11

Which interference situation should be avoided when initially placing an 802.11g WAP in a permanent location? (Select TWO). A. Large open areas
B. Buildings with multiple floors

C. Large steel and/or concrete walls

D. Microwaves and refrigerators


Options are :

  • B,C
  • A,B
  • A,C
  • C,D (Correct)

Answer : C,D

A network technician of your company is asked to use a client computer to troubleshoot connectivity problems. The technician must determine the MAC address of the NIC. Which command will permit the MAC address to be displayed within a command prompt?


Options are :

  • ipconfig (Correct)
  • nslookup
  • nbtstat
  • netstat

Answer : ipconfig

Which network topology has at least two physical connections per host?


Options are :

  • The ring topology.
  • The bus topology.
  • The star topology.
  • The partial-mesh topology. (Correct)

Answer : The partial-mesh topology.

Which UNIX service provides interoperability with Windows file and print sharing?


Options are :

  • NFS (Network File Service)
  • TCL (Terminal Control Language
  • Mozilla
  • SMB (Server Message Block) (Correct)

Answer : SMB (Server Message Block)

Look at the following items, which is the standard trunk protocol?


Options are :

  • 802.1q 802.11b (Correct)
  • 802.11a
  • 802.11b
  • 802.1s

Answer : 802.1q 802.11b

Which is the primary difference between an IGP and an EGP?


Options are :

  • IGP supports dynamic routing whereas EGPs do not.
  • EGP supports dynamic routing whereas IGPs do not.
  • An IGP is typically used within a single routing domain. (Correct)
  • An EGP is typically used within a single routing domain.

Answer : An IGP is typically used within a single routing domain.

In computer networking, network address translation (NAT) is the process of modifying network address information in data gram packet headers while in transit across a traffic routing device for the purpose of remapping a given address space into another. Which function is performed by NAT?


Options are :

  • Initiates and receives changes to the routing table within a private network
  • Sends and receives network traffic from both external resources and internal resources
  • Serves as a routing protocol on a TCP/IP network
  • Allows computers on a private network to access external computers through a public network (Correct)

Answer : Allows computers on a private network to access external computers through a public network

Which protocol will permit a server to collect data about network performance?


Options are :

  • SNMP (Correct)
  • SMTP
  • TCP
  • ICS

Answer : SNMP

Dynamic Host Configuration Protocol (DHCP) is a network application protocol used by devices (DHCP clients) to obtain configuration information for operation in an Internet Protocol network. After enabling DHCP, what information will be received?


Options are :

  • MAC address
  • SMTP
  • Subnet Mask (Correct)
  • Network permissions

Answer : Subnet Mask

Which of the following operates at a maximum of 16 Mbps?


Options are :

  • Token Ring (Correct)
  • FDDI
  • 10GBase-SR
  • 10Base-T

Answer : Token Ring

Static routing describes a system that does not implement adaptive routing. In these systems, routes through a data network are described by fixed paths (statically). While using static routes, how does the network correct for link failures?


Options are :

  • The administrator is required to manually alter routes. (Correct)
  • The default gateway will select an alternate path to the destination to route around the link failure.
  • The routers send traffic back to the origin to select a different path to the destination.

Answer : The administrator is required to manually alter routes.

Alexander is a system administrator of his company. Now, he is troubleshooting an application that is terminating frequently. Which of the following can be used to identify the problem?


Options are :

  • DNS log
  • Application log (Correct)
  • Port scanner
  • History log

Answer : Application log

A single connection in a token bus network fails. What will happen?


Options are :

  • The failed connection will be down and only the two hosts between the failedconnection will have no network connectivity.
  • The failed connection will be down and only its hosts will have no network connectivity.
  • All hosts will still be connected to the network and only failed connection will be down.
  • The whole network will be down and none of the hosts will have network connectivity. (Correct)

Answer : The whole network will be down and none of the hosts will have network connectivity.

How to increase the security of the wireless network?


Options are :

  • Disable the remote logging feature.
  • Enabletrunking.
  • Enable the DHCP.
  • Disable the broadcast of the ESSID. (Correct)

Answer : Disable the broadcast of the ESSID.

Which of the following could be used in a token ring network?


Options are :

  • A switch.
  • A MSAU. (Correct)
  • A hub.
  • A router.

Answer : A MSAU.

Which network equipment would play the role of intelligently forwarding frames from one collision domain to another?


Options are :

  • Hub
  • Switch (Correct)
  • Media converter
  • Router

Answer : Switch

A network administrator is troubleshooting connectivity from a client machine. An error message that reads "Page Cannot be Displayed" is shown in the browser whenever a FQDN (Fully Qualified Domain Name) is typed in the address bar. However, if the IP (Internet Protocol) address is typed in the browser the site is displayed. At which port number is the problem taking place? 


Options are :

  • 443
  • 119
  • 80
  • 53 (Correct)

Answer : 53

On wireless networks, EAP expands on authentication methods used by which of the following?


Options are :

  • HTTPS.
  • SSH.
  • PPP. (Correct)
  • SCP.

Answer : PPP.

Which of the following networks would collapse should a single node on the network fail? (Choose all that apply)
A. Ethernet
B. Token Bus.
C. Token Ring.
D. Mesh


Options are :

  • B,D
  • A,B
  • B,C (Correct)
  • A,C

Answer : B,C

Computers on a 10.x.x.x environment using 100Base-T suddenly begin receiving 192.168.x.x addresses from DHCP. What most likely causes this problem?


Options are :

  • WINS has been disabled
  • ASOHO wireless router has been connected to the network (Correct)
  • The default route being handed out by DHCP has been changed
  • DHCP is corrupt and should be restarted

Answer : ASOHO wireless router has been connected to the network

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