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Comptia Network +

Subjects : certifications, comptia-network-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. A computer that is working on a network is unplugged and then plugged into another switch with a new cable. The link LED (Light Emitting Diode) on the NIC (Network Interface Card) does not come on. All of the following could be the source of the prob
Point-to-Point Tunneling Protocol
Domain Name Service OR Domain Name Server
encapsulating the data payload.
the NIC (Network Interface Card) is bad.

2. A user has set up filtering on an Internet router. The local SMTP (Simple Mail Transfer Protocol) server has stopped sending or receiving messages from the Internet. What is the cause of the problem?
The Internet router is blocking port 25.
SSH
encapsulating the data payload.
the NIC (Network Interface Card) is bad.

3. What is BGMP?
Routing Internet Protocol
Handles e-mail functions
Border Gateway Multicast Protocol - A routing protocol for router to router activity.
Handles tasks in the place of other machines on the network

4. What is QoS?
Quality of Service
SMTP Server
Presentation
Extranet

5. What is on Port 80?
Problematic workstations have cached the old IP (Internet Protocol) address of the server.
HTTP
Application
A network's physical topology gives you the lay of the land and the logical topology illustrates how the signals and data travel throughout the layout.

6. What is on Port 443?
nslookup
Authentication
HTTPS/ SSL
The Internet router is blocking port 25.

7. What is on Port 25?
Authentication
SMTP Server
Implement VLANs (Virtual Local Area Network)
Each computer is directly connected to other computers in the same network and data flows in a circle shape from computer to computer and eventually back to the source. This topology isn't very popular because it's not easily scalable and the cable r

8. ISO Means...
135-139
Handles e-mail functions
Networked Basic Input/Output System
Industry Standards Organization

9. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards uses CSMA / CA (Carrier Sense Multiple Access / Collision Avoidance)?
Public Switched Telephone Network
802.11
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid
DNS

10. What is on Port 69?
IMAP (Mail Client)
TFTP (Trivial File Transfer Protocol)
VPN (Virtual Private Network)
MAC (Media Access Control) address

11. What is on Port 514?
25
Sys Log (Unix) or Event Manager (Windows)
Port 161 is SNMP and Port 162 is the SNMP Manager
HTTP

12. What are the two main network types?
TFTP (Trivial File Transfer Protocol)
Wireless Protected Access
The analyzer is functioning properly.
Peer-To-Peer and Client-Server

13. Workstations

14. Which one of the following standards has a maximum data rate of 11 Mbps (Megabits per second)?
802.11b
802.11a.
Firewall
161 & 162

15. A Windows 2000 work station has a TCP / IP (Transmission Control Protocol / Internet Protocol) address of 169.254.12.1. Which statement describes the state of the computers TCP / IP (Transmission Control Protocol / Internet Protocol) configuration?
161 & 162
The computer is set for DHCP (Dynamic Host Configuration Protocol) - but no DHCP (Dynamic Host Configuration Protocol) server is available for the network.
Plain Old Telephone Service
Port 161 is SNMP and Port 162 is the SNMP Manager

16. A network administrator implements four VLANs (Virtual Local Area Network) on a switch. Which device will be required to pass traffic among the VLANs (Virtual Local Area Network)?
161 & 162
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant
Presentation
Router

17. What is on Port 8080?
Each computer is directly connected to other computers in the same network and data flows in a circle shape from computer to computer and eventually back to the source. This topology isn't very popular because it's not easily scalable and the cable r
Bluetooth enabled cell phones
Proxy Server
Network Access Control

18. What is on Ports 20 and 21?
It is an address assigned to a NIC (Network Interface Card).
These are the FTP ports. Port 20 handles data and Port 21 provides control.
TFTP (Trivial File Transfer Protocol)
A network map showing exactly how data moves through the network.

19. Which physical topology is used by a 10BASE2 network?
Implement VLANs (Virtual Local Area Network)
Bus
A transmission method in which data goes form a source node to all other nodes on a network. Each node receives the data and acts on it - which can generate a great deal of network traffic.
Run more than one central processing unit (CPU) and whose resources are available to other users on the network to access when needed. Something this powerful is typically referred to only as a server today. Don't confuse workstations with client mac

20. Company A has two networks - one on the west side of town and one on the east side. The network administrator wants to connect the two networks with a leased line but is concerned about limiting broadcast traffic. What can the administrator do to all
In the LAN (Local Area Network)
Border Gateway Multicast Protocol - A routing protocol for router to router activity.
Put a router between the two network segments
An old microwave oven is being used in the break room which causes interference with the access point.

21. TDR means...
1
Proxy Server
Time domain reflectometer
Layer 2 Tunneling Protocol. This is a Cisco proprietary solution.

22. A home user has been assigned one static IP (Internet Protocol) address. If the user wishes to use the 192.168.0.1 address range - what technology should the user implement?
Internetwork Packet Exchange/Sequenced Packet Exchange
Proxy server
TCP / IP (Transmission Control Protocol / Internet Protocol)
Quality of Service

23. A rogue residential gateway has been installed in a network. It is running DHCP (Dynamic Host Configuration Protocol). If the computers have static IP (Internet Protocol) addresses assigned - what problems might exist on the network?
Routing Information Protocol
100 Mbps (Megabits per second)
Physical
There will be no Internet access.

24. What is EAP? What is it used for?
Gateway
This IP (Internet Protocol) address cannot be pinged remotely.
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.
Integrated Services digital Network

25. While reviewing network traffic statistics - technicians have noticed that there is an abnormally high amount of DNS (Domain Name Service) traffic. What recommendation would help reduce traffic?
Hypertext transfer protocol over secure sockets layer.
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.
Primary Rate Interface

26. Which two devices both operate at the same layer of the OSI (Open Systems Interconnect) model?
550 meters (1 -804.46 feet)
Post Office Protocol
Bus
D. Switch and bridge

27. Which standard covers the methods for performing authentication services for remote access to a central LAN (Local Area Network)?
traceroute
2.4 GHz (Gigahertz).
802.1x
Switches - bridges - and NICs (Network Interface Card)

28. A workstation presents an error message to a user. The message states that 'Duplicate IP (Internet Protocol) has been detected on the network.' After establishing what has changed in the network - what should be the NEXT step using the standard troub
Application
Basic Rate Interface
Select the most probable cause
TCP / IP (Transmission Control Protocol / Internet Protocol)

29. A network administrator needs to verify that the SMTP (Simple Mail Transfer Protocol) service is running on a particular server. On what port number should a Telnet session be established?
169.254.1.1
Intrusion Detection System
25
This IP (Internet Protocol) address cannot be pinged remotely.

30. IEEE means...
Institute of Electrical and Electronics Engineers
Reverse Address Resolution Protocol.
Password Authentication Protocol
RDP/ Terminal Services

31. TFTP Means...
110
Service Set Identifier
encapsulating the data payload.
Trivial File Transfer Protocol

32. What is the maximum standard distance allowed to connect a customer via an ISDN (Integrated Services Digital Network) line?
A. 18 -000 feet (5 -486.4 meters)
A network map defining the specific characteristics of a network such as where workstations and other devices are located and the arrangement of all the physical media such as cables.
TFTP (Trivial File Transfer Protocol)
The analyzer is functioning properly.

33. How many concurrent connections can a Windows 2000 Professional computer support on a single share?
Secure Sockets Layer
SQL Server
SUN RPC
10

34. All of the following options transmit data over a modem EXCEPT...
25
Connect Workstation 6 and Workstation 2 using a barrel connector
T1 (T-Carrier Level 1).
443

35. A network administrator is troubleshooting a wireless LAN (Local Area Network) that is experiencing trouble with interference. A scan of the wireless network reports that there are two WAPs (Wireless Access Point) from different companies within rang
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)
Internet Information Services
Simple Network Management Protocol
514

36. The 802.11 frequency band is...
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time
2.4 GHz (Gigahertz).
TCP / IP (Transmission Control Protocol / Internet Protocol)
Multipurpose Internet Mail Extension

37. There is a suspected SMTP (Simple Mail Transfer Protocol) virus on the workstation. E-mail programs are not currently running. Which of the following utilities should be run to see if there are any open SMTP (Simple Mail Transfer Protocol) sockets?
netstat
The analyzer is functioning properly.
23
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.

38. WAP Means...
A transmission method in which data is transferred from a specific source address to a specific destination address. (Network nodes not involved in the transfer ignor the transmission.)
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.
Wireless Access Point
Plain Old Telephone Service

39. Which command will produce the following output? ethoLink encap : Ethernet HWaddr: 00:80:C8:D6:74:43 inet adder : 4.150.6.3 Bcast : 4.255.255.255 Mask: 255.0.0.0
ifconfig
Reverse Address Resolution Protocol.
SMTP Server
Time domain reflectometer

40. A client workstation can authenticate user names and passwords to which type of server?
Global Positioning System
TFTP (Trivial File Transfer Protocol)
PDC (Primary Domain Controller)
Wireless LAN

41. What is on Port 3389?
ICMP (Internet Control Message Protocol)
Network Time Protocol
Point to Point Tunneling Protocol
RDP/ Terminal Services

42. Describe a bus topology
Consists of two distinct and terminated ends with each computer connected to one unbroken cable running its entire length. All of the computers can see all of the data flowing through but the only one computer the data is addressed to will actually g
Remote Desktop Protocol
Internet mail access protocol
Network Interface Card

43. The Spanning-Tree Protocol allows for redundancy of what networking device?
Bluetooth enabled cell phones
TCP / IP (Transmission Control Protocol / Internet Protocol)
Internet Protocol Security. This is the defacto standard for VPN security.
Bridge

44. What is DHCP? What is its key attribute?
Dynamic Host Configuration Protocol - a network service that assigns IP addresses to clients. Should remember that it uses scopes to manage any excluded/ static IP addresses.
Any device on the network that can ask for access to resources
MultiProtocol Label Switching
Media Access Control

45. On what Port is SUN RPC?
HTTP
A network map defining the specific characteristics of a network such as where workstations and other devices are located and the arrangement of all the physical media such as cables.
111
A transmission method in which data is sent from a server to specific nodes that are defined as members of a multicast group. Network nodes not in the group ignore the data.

46. What is on Port 1433?
SQL Server
New stations can be added easily and quickly - Scalable - Easier to troubleshoot - A single cable failure doesn't disable entire network
SSH
3389

47. Which of the following connectors will be required for a RAS (Remote Access Service) server accepting four incoming dial-up connections to connect to the PSTN (Public Switched Telephone Network)?
Transport
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes
Application
RJ-11 (Registered Jack)

48. PRI Means...
SSL (Secure Sockets Layer)
Primary Rate Interface
In the LAN (Local Area Network)
netstat

49. RADIUS (Remote Authentication Dial-In User Service) provides which functionality for remote access?
WINS (Windows Internet Name Service)
encapsulating the data payload.
Verification
Wireless Access Point

50. A network has been set up for DHCP (Dynamic Host Configuration Protocol) services using a PDC (Primary Domain Controller) and BDC (Backup Domain Controller) each with a range of 192.168.0.1 to192.168.0.254 using a class subnet of 255.255.255.0. DHCP
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect
Split the scope addresses between the servers assigning 192.168.0.1 through 192.168.0.127 for the PDC (Primary Domain Controller) and 192.168.0.128 through 192.168.0.254 for the BDC (Backup Domain Controller).
Wireless Fidelity
Wireless Protected Access