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Comptia Network +

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

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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 companys disaster recovery plan requires that a hot site be maintained for fault tolerance. Which of the following would achieve this goal?
An exact duplicate of the infrastructure is mirrored offsite.
10 GBASE-LR
Handles e-mail functions
Bridge

2. What part of an Ethernet MAC (Media Access Control) address designates the manufacturer of the NIC (Network Interface Card)?
bytes 1-3
MT-RJ (Mechanical Transfer-Registered Jack)
Gateway
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.

3. A technician is troubleshooting a problem on a network using a utility to capture the packets. When the technician reviews the captured data they have only captured broadcast packets and packets from their own computer. What is the reason for this?
They are connected to a switch when trying to capture packets.
Manages printers on the network
Networked Basic Input/Output System Extended User Interface
Firewall

4. GUI means
Initial installation cost may be higher - One central single point of failure (the hub or other device)
110
The analyzer is functioning properly.
raphical User Interface

5. Which fiber connector looks similar to an RJ-45 (Registered Jack) connector and connects two strands of fiber?
161 & 162
100BASE-FX Answer: D
MT-RJ (Mechanical Transfer-Registered Jack)
Networked Basic Input/Output System Extended User Interface

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
The amber light is flashing occasionally and the green light is lit steadily.
Extranet
Put a router between the two network segments
Gateway

7. Which of the following options allows for secure communication over the Internet?
Networked Basic Input/Output System
D. Switch and bridge
Port 20 must also be unblocked.
VPN (Virtual Private Network)

8. Around noon - 802.11b wireless users near the break room have intermittent - random connections. What is the problem?
Wireless Access Point
Reverse Address Resolution Protocol.
An old microwave oven is being used in the break room which causes interference with the access point.
Secure Shell

9. What is on Port 443?
HTTPS/ SSL
Client - protocol - and adapter
The computer is set for DHCP (Dynamic Host Configuration Protocol) - but no DHCP (Dynamic Host Configuration Protocol) server is available for the network.
HTTP

10. What is L2TP? What is significant about this protocol?
Bridges operate at OSI (Open Systems Interconnect) Layer 2 and use MAC (Media Access Control) addresses to make decisions.
Layer 2 Tunneling Protocol. This is a Cisco proprietary solution.
169.254.1.1
Internet Control Message Protocol

11. When one connection to a host fails in a full mesh network - it means...
All hosts can communicate.
802.2
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
3389

12. MIME means...
Internet Service Provider
Multipurpose Internet Mail Extension
ICMP (Internet Control Message Protocol)
CSU / DSU (Channel Service Unit / Data Service Unit)

13. What is IPSEC? Why is it significant?
SQL Server
Internet Protocol Security. This is the defacto standard for VPN security.
Routing Internet Protocol
Router

14. In which OSI (Open Systems Interconnect) layer does a bridge operate?
Data Link
The 'memo maker' that sends and receives paperless faxes over the network
A long length of antenna extension cable
the NIC (Network Interface Card) is bad.

15. 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?
Disk Operating System or Denial of Service
rlogin
There will be no Internet access.
An old microwave oven is being used in the break room which causes interference with the access point.

16. What is ARP? What are some of its attributes?
Access Control List
143
Exterior Gateway Protocol
Address Resolution Protocol. Has no error control.

17. A user connects to the companys intranet server via a VPN (Virtual Private Network) connection from a SOHO (Small Office / Home Office) using the broadband service. One day - the user cannot successfully connect to the VPN (Virtual Private Network) a
Internetwork packet exchange
netstat and ping
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect
RJ-11 (Registered Jack)

18. Which of the following methods transfers files with the use of a UDP (User Datagram Protocol)?
TFTP (Trivial File Transfer Protocol)
Post Office Protocol 3
40 bit - 128 bit - 64 bit
Point-to-Point Tunneling Protocol

19. Which one of the following will affect the range of an 802.11b WAP (Wireless Access Point)?
CSU / DSU (Channel Service Unit / Data Service Unit)
POP3
A long length of antenna extension cable
Bridges operate at OSI (Open Systems Interconnect) Layer 2 and use MAC (Media Access Control) addresses to make decisions.

20. What is Broadcast Transmission?
VPN (Virtual Private Network)
Network Interface Card
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.
Exterior Gateway Protocol

21. What are the two main network types?
100 Mbps (Megabits per second)
Application
Peer-To-Peer and Client-Server
An old microwave oven is being used in the break room which causes interference with the access point.

22. Which one of the following UNIX commands is similar to Telnet and used for terminal emulation?
rlogin
10 GBASE-LR
A. 18 -000 feet (5 -486.4 meters)
Easy to install - Inexpensive - Less actual cable required

23. Remote Access Server
Internet mail access protocol
T1 (T-Carrier Level 1).
Provides remote users with access to the network through modems and an IP connection
The amber light is flashing occasionally and the green light is lit steadily.

24. Which command generated the following output? Active Connections Proto Local Address Foreign Address State TCP CompA:3006 192.168.0.2:Microsoft Established TCP CompA:3021 192.168.0.246:HTTP Established
netstat
Application
161 & 162
23

25. What is NAT?
raphical User Interface
New Technology File System
Network Address Translator
Intrusion Detection System

26. Which one of the following servers provides web caching services?
Electromagnetic Interference
Alternating Current
In a locked room in an offsite location
Proxy

27. 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?
Global System for Mobile Communications
Hypertext Markup Language
The Internet router is blocking port 25.
Network Access Control

28. A client accessing a network share folder has authenticated into the system and has full access rights to a folder share. But after opening the file they find they cannot modify the files contents. What is the likely cause?
NetBios
All workstations except Workstation 3 can communicate to each other.
As a way to share resources and information
The file has been opened by another user and is open for read only.

29. WPA Means...
Public Switched Telephone Network
Peer-To-Peer and Client-Server
Physical
Wireless Protected Access

30. UDP Means...
A long length of antenna extension cable
3389
User Datagram Protocol
Networked Basic Input/Output System Extended User Interface

31. ATM Means...
Post Office Protocol
Wired Equivalent Privacy
BootP (Boot Protocol)
Asynchronous Transfer Mode

32. 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
Initial installation cost may be higher - One central single point of failure (the hub or other device)
Select the most probable cause
passing a username and password in plaintext.
Network Time Protocol

33. NNTP Means...
Secure Shell
Basic Rate Interface
Network News Transfer Protocol
Transport

34. MAU means...
traceroute
rp
Media Access Unit - Media attachment Unit
Electromagnetic Interference

35. An administrator is unsuccessful when attempting to ping a network device on a remote site with a firewall in between. In order for the administrator to be successful - what protocol needs to be allowed through the firewall?
Hybrid hub
Have the administratorrecreate the shares to be named networkshares and privateshares in order to modify the share names to acceptable lengths
8080
ICMP (Internet Control Message Protocol)

36. WLAN Means...
NetBios
Peer-To-Peer and Client-Server
Wireless LAN
passing a username and password in plaintext.

37. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards has a longer maximum distance than 100 meters (328 feet)?
100BASE-FX Answer: D
802.11b
TFTP (Trivial File Transfer Protocol)
Internetwork packet exchange

38. WEP Means...
161 & 162
Proxy Server
Wired Equivalent Privacy
Provides remote users with access to the network through modems and an IP connection

39. What is on Port 25?
NetBios
SMTP Server
Hybrid hub
Networked Basic Input/Output System

40. Which one of the following is an IEEE (Institute of Electrical and Electronics Engineers) fiber optic standard?
The users will not be affected by the change.
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.
135-139
10 GBASE-LR

41. 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
the NIC (Network Interface Card) is bad.
WINS (Windows Internet Name Service)
Hypertext transfer protocol
Wired Equivalent Privacy

42. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards has the shortest maximum distance?
PPTP (Point-to-Point Tunneling Protocol)
Remote Desktop Protocol
bytes 1-3
1000BASE-CX

43. Servers

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44. Disk mirroring is also known as RAID ___...
1000BASE-LX and10 GBASE-LR
Network Time Protocol
CSU / DSU (Channel Service Unit / Data Service Unit)
1

45. IEEE means...
Institute of Electrical and Electronics Engineers
Handles e-mail functions
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
Network News Transfer Protocol

46. ICMP means...
Internet Control Message Protocol
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect
100 Mbps (Megabits per second)
ifconfig

47. Each of the following wireless standards use a 2.4 GHz (Gigahertz) ISM (Industrial - Scientific - and Medical) band EXCEPT...
802.11
Problematic workstations have cached the old IP (Internet Protocol) address of the server.
Wireless Fidelity
802.11a.

48. Which dial-up protocol is capable of passing multiple LAN (Local Area Network) protocols across the wire?
Network Access Control
HTTPS/ SSL
PPP (Point-to-Point Protocol)
Internet Protocol Security

49. TDR means...
Enable infrastructure mode and obtain the IP (Internet Protocol) address automatically on all clients
2
Time domain reflectometer
169.254.1.1

50. Which one of the following security protocols creates a secure connection over the Internet?
172.192.4.256
L2TP (Layer 2 Tunneling Protocol)
Transmission Control Protocol
Simple Network Management Protocol

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