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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. Name the seven most common physical topologies
Lightweight Directory Access Protocol
Internet Protocol
Primary Rate Interface
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid

2. 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
135-139
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.
8080
Select the most probable cause

3. AC means...
10
SQL Server
TFTP (Trivial File Transfer Protocol)
Alternating Current

4. 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?
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers
nslookup
A long length of antenna extension cable
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time

5. MAN Means...
Metropolitan Area Network
Internet Protocol
Point to Point Tunneling Protocol
BootP (Boot Protocol)

6. 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
CSU / DSU (Channel Service Unit / Data Service Unit)
110
Client - protocol - and adapter
Put a router between the two network segments

7. What is on Port 53?
Internetwork Packet Exchange/Sequenced Packet Exchange
Handles e-mail functions
They are connected to a switch when trying to capture packets.
DNS

8. DC means...
8080
Layer 2 Tunneling Protocol. This is a Cisco proprietary solution.
Network Time Protocol
Direct Current

9. URL Means...
Computers are connected to one central point w/ their own individual cables or wireless connections. This topology offers advantages over the bus topology and is used more often despite having more physical requirements than the bus topology. Benefit
Network Interface Card
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.
Uniform Resource Locator

10. A companys disaster recovery plan requires that a hot site be maintained for fault tolerance. Which of the following would achieve this goal?
These are the FTP ports. Port 20 handles data and Port 21 provides control.
100BASE-FX Answer: D
Secure Shell
An exact duplicate of the infrastructure is mirrored offsite.

11. SSL Means...
Reverse Address Resolution Protocol.
Secure Sockets Layer
WINS (Windows Internet Name Service)
Handles the call center and call routing and can be thought of as a sophisticated network answering machine

12. Which one of the following provides a fault-tolerant storage system containing five disks and a single controller that will function if a single disk fails?
File Transfer Protocol
CSU / DSU (Channel Service Unit / Data Service Unit)
A striped set array with parity
111

13. 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
Password Authentication Protocol
Transport
Extranet

14. A technician connects a computer to the LAN (Local Area Network) switch to analyze the traffic occurring from another computer on the network. The only traffic observed coming from the other computer is broadcast frames. What can be concluded from th
The analyzer is functioning properly.
TFTP (Trivial File Transfer Protocol)
An old microwave oven is being used in the break room which causes interference with the access point.
Primary Rate Interface

15. BIOS Means...
SQL Server
Basic Input/Output System
passing a username and password in plaintext.
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.

16. ICMP means...
Integrated Services digital Network
10
Internet Control Message Protocol
An old microwave oven is being used in the break room which causes interference with the access point.

17. 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
Port 161 is SNMP and Port 162 is the SNMP Manager
Firewall
the NIC (Network Interface Card) is bad.
Wireless Access Point

18. What is PAP?
Service Set Identifier
Handles tasks in the place of other machines on the network
389
Password Authentication Protocol

19. Which protocol could be used by a VPN (Virtual Private Network)?
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
PPTP (Point-to-Point Tunneling Protocol)
53
Connect Workstation 6 and Workstation 2 using a barrel connector

20. A small office network with ten computers uses a cable modem and router to connect to the Internet and distribute services to clients. After several weeks of use - the routers collision LED (Light Emitting Diode) has begun to stay on permanently. Wha
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
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.

21. LED Means...
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
389
Post Office Protocol
Light Emitting Diode

22. An administrator changes the lease time of the DHCP (Dynamic Host Configuration Protocol) scope from one week to one day. What affect will this have on the end users?
TCP / IP (Transmission Control Protocol / Internet Protocol)
The file has been opened by another user and is open for read only.
The users will not be affected by the change.
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).

23. FQDN means...
rp
Fully Qualified Domain Name
Manages printers on the network
Easy to install - Inexpensive - Less actual cable required

24. BRI Means...
Any network device with an IP address
Basic Rate Interface
192.168.96.254
Check the connection from the WAP (Wireless Access Point) to the network

25. What is on Port 1433?
40 bit - 128 bit - 64 bit
SQL Server
Bus
Transmission Control Protocol

26. ISP Means...
The capability of a computer or a network system to respond to a condition automatically - often resolving it - reducing the impact on the system.
Hypertext transfer protocol
Internet Service Provider
Internet mail access protocol

27. On what Port is NetBios?
CSU / DSU (Channel Service Unit / Data Service Unit)
Bridges operate at OSI (Open Systems Interconnect) Layer 2 and use MAC (Media Access Control) addresses to make decisions.
Central Processing unit
135-139

28. A user complains that they can no longer access resources on the network. The user is unable to ping other nodes and ipconfig returns an IP (Internet Protocol) address that is not in the correct subnet. What is the problem?
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.
RJ-11 (Registered Jack)
Internet Control Message Protocol
ifconfig

29. FDDI (Fiber Distributed Data Interface) operates at what speed?
All hosts can communicate.
100 Mbps (Megabits per second)
Dynamic Host Configuration Protocol
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.

30. NFS Means...
passing a username and password in plaintext.
Network File System
ping
10 GBASE-LR

31. ACL means...
Access Control List
Basic Input/Output System
An eight-position connector which uses UTP (Unshielded Twisted Pair).
Service Set Identifier

32. Which IEEE (Institute of Electrical and Electronics Engineers) 802.x standard defines the operation of the LLC (Logical Link Control) sublayer of the OSI (Open Systems Interconnect) models Data Link layer?
Transmission Control Protocol
Access Control List
The 'memo maker' that sends and receives paperless faxes over the network
802.2

33. IPX/SPX means...
Remote Desktop Protocol
Challenge Handshake Authentication Protocol
Internetwork Packet Exchange/Sequenced Packet Exchange
Transport

34. 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
Application
169.254.1.1
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).
Fully Qualified Domain Name

35. Why did we develop networking?
Computers are connected to one central point w/ their own individual cables or wireless connections. This topology offers advantages over the bus topology and is used more often despite having more physical requirements than the bus topology. Benefit
As a way to share resources and information
Gateway
IMAP (Mail Client)

36. What are the two main network types?
File Transfer Protocol
Peer-To-Peer and Client-Server
Forward the packets to all ports except the one that originated the request
80

37. LAN Local Area Network
Usually restricted to spanning a particular geographic location such as an office building - a single department within a corporate office - or even a home office)
CSU / DSU (Channel Service Unit / Data Service Unit)
Connect Workstation 6 and Workstation 2 using a barrel connector
VPN (Virtual Private Network)

38. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards uses CSMA / CA (Carrier Sense Multiple Access / Collision Avoidance)?
Direct Current
Password Authentication Protocol
802.11
Data Link

39. What is on Ports 135-139?
User Datagram Protocol. This protocol is connectionless and routable.
NetBios
A striped set array with parity
netstat and ping

40. What is on Port 111?
POP3
SUN RPC
Layer 2 Tunneling Protocol. This is a Cisco proprietary solution.
Access Control List

41. What is QoS?
Proxy Server
Quality of Service
Central Processing unit
PPTP (Point-to-Point Tunneling Protocol)

42. List the drawbacks of a star topology
Internet Protocol Security
Bridge
2
Initial installation cost may be higher - One central single point of failure (the hub or other device)

43. LAN Means...
Local Area Network
161 & 162
802.11i
1000BASE-CX

44. What part of an Ethernet MAC (Media Access Control) address designates the manufacturer of the NIC (Network Interface Card)?
Wireless Access Point
File Transfer Protocol
Border Gateway Multicast Protocol - A routing protocol for router to router activity.
bytes 1-3

45. List the drawbacks of a ring topology
bytes 1-3
Handles tasks in the place of other machines on the network
Network and Transport
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant

46. Upon which devices can NAT (Network Address Translation) be used?
DNS
Firewall
Provides remote users with access to the network through modems and an IP connection
Extranet

47. A workstation with a static IP (Internet Protocol) address can print and authenticate to a server - but cannot browse to www.comptia.org. What is the FIRST item to troubleshoot?
DNS (Domain Name Service) server settings
An exact duplicate of the infrastructure is mirrored offsite.
Network Access Control
Proxy server

48. 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?
Any device on the network that can ask for access to resources
Hard to troubleshoot - Difficult to change or move - Doesn't offer much fault tolerance
netstat
L2TP (Layer 2 Tunneling Protocol)

49. A user is trying to access a FTP (File Transfer Protocol) server but discovers that FTP (File Transfer Protocol) is being blocked by a firewall. After unblocking port 21 on the firewall - FTP (File Transfer Protocol) still does not work. What is the
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
Port 20 must also be unblocked.
User Datagram Protocol. This protocol is connectionless and routable.
22

50. POTS means...
Internet Control Message Protocol
8080
Plain Old Telephone Service
SMTP Server