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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.
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 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
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).
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.
T1 (T-Carrier Level 1).
The 'memo maker' that sends and receives paperless faxes over the network

2. File Server
Internet mail access protocol
Stores and dispenses files
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.
Peer-To-Peer and Client-Server

3. What is the mechanism a DHCP (Dynamic Host Configuration Protocol) server uses to track which IP (Internet Protocol) address is assigned to a particular computer?
Layer 2 Tunneling Protocol. This is a Cisco proprietary solution.
MAC (Media Access Control) address
Internet connection
Select the most probable cause

4. LAN Means...
Proxy Server
nslookup
Local Area Network
Handles tasks in the place of other machines on the network

5. A company wishes to establish a secure network connection with a sister company over the Internet. Both companies must have access to each others resources without allowing general public access. What describes the type of network that should be empl
Plain Old Telephone Service
Wireless Access Point
Extranet
Proxy server

6. What is on Port 514?
Multipurpose Internet Mail Extension
Sys Log (Unix) or Event Manager (Windows)
69
SQL Server

7. Which physical topology is used by a 10BASE2 network?
A 2.4 GHz (Gigahertz) cordless telephone is in use.
CSU / DSU (Channel Service Unit / Data Service Unit)
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.

8. Which UNIX service provides interoperability with Windows file and print sharing?
53
Forward the packets to all ports except the one that originated the request
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.
SMB (Server Message Block)

9. BNC Means...
Verification
Proxy server
Two or more connected computers that can share resources
Bayonet-Neill-Concelman or British Naval Connector

10. DC means...
Direct Current
This IP (Internet Protocol) address cannot be pinged remotely.
Basic Rate Interface
encapsulating the data payload.

11. IPSEC means...
Hybrid hub
Point-to-Point Protocol
Manages network applications
Internet Protocol Security

12. FTP Means
File Transfer Protocol
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)
Direct Current
802.11b

13. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards uses CSMA / CA (Carrier Sense Multiple Access / Collision Avoidance)?
A 2.4 GHz (Gigahertz) cordless telephone is in use.
Packets from entering and leaving a network
802.11
T1 (T-Carrier Level 1).

14. A user is booting a workstation and suddenly receives a message stating that a duplicate IP (Internet Protocol) address is in use on the network. Which of the following commands can be used to troubleshoot the problem?
netstat
rp
Sys Log (Unix) or Event Manager (Windows)
HTTP

15. List the drawbacks of a star topology
Initial installation cost may be higher - One central single point of failure (the hub or other device)
The analyzer is functioning properly.
Application
Network Address Translation

16. On what Port is HTTPS/ SSL?
Alternating Current
Point-to-Point Protocol
443
PPP (Point-to-Point Protocol)

17. Wi-Fi Means...
Wireless Fidelity
A striped set array with parity
CSU / DSU (Channel Service Unit / Data Service Unit)
Internet Protocol

18. Which one of the following is an IEEE (Institute of Electrical and Electronics Engineers) fiber optic standard?
Address Resolution Protocol. Has no error control.
10 GBASE-LR
They get their name because they truly are 'at the service' of the network and run specialized software for the network's maintenance and control known as the network operating system. Sometimes servers have more than one job. But whether servers are
110

19. RADIUS (Remote Authentication Dial-In User Service) provides which functionality for remote access?
Check the connection from the WAP (Wireless Access Point) to the network
Verification
Periodically (randomly) blinking
Routing Internet Protocol

20. What is IPSEC? Why is it significant?
Internet Protocol Security. This is the defacto standard for VPN security.
Eliminate any sources of RFI (Radio Frequency Interference) around the WAP (Wireless Access Point) Answer: D
Basic Input/Output System
Authentication

21. List the drawbacks of a bus topology

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22. Which two devices both operate at the same layer of the OSI (Open Systems Interconnect) model?
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.
1000BASE-CX
D. Switch and bridge
BootP (Boot Protocol)

23. Name the seven most common physical topologies
Hybrid hub
802.11b
larger subnet masks.
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid

24. Which protocol is used for error reporting in concert with the IP protocol?
DNS (Domain Name Service) server settings
ICMP (Internet Control Message Protocol)
Packets from entering and leaving a network
rlogin

25. DNS means...
All hosts can communicate.
Domain Name Service OR Domain Name Server
192.168.96.254
Telnet

26. Each of the following wireless standards use a 2.4 GHz (Gigahertz) ISM (Industrial - Scientific - and Medical) band EXCEPT...
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.
Networked Basic Input/Output System
HTTPS/ SSL
802.11a.

27. PPTP Means...
Point-to-Point Tunneling Protocol
10 GBASE-LR
Quality of Service
3.1

28. NNTP Means...
Network News Transfer Protocol
Dynamic Host Configuration Protocol
1000BASE-CX
An exact duplicate of the infrastructure is mirrored offsite.

29. IP means...
HTTP
6
Internet Protocol
Port Address Translator

30. Which digital interface device is used to connect to a local service providers digital T1 (T-Carrier Level 1) or E1 network?
D. Switch and bridge
Secure Shell
CSU / DSU (Channel Service Unit / Data Service Unit)
Dynamic Host Configuration Protocol

31. What enables a UNIX computer to access exported file systems from other UNIX computers?
Network Address Translation
143
Internet Control Message Protocol
NFS (Network File System)

32. All of the following options transmit data over a modem EXCEPT...
T1 (T-Carrier Level 1).
Asynchronous Transfer Mode
25
cold site.

33. What is a MAC (Media Access Control) address?
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.
ifconfig
Make certain the web site has an external DNS (Domain Name Service) name and a public IP address - and that port 80 is open on the router.
It is an address assigned to a NIC (Network Interface Card).

34. RIP Means...
These are the FTP ports. Port 20 handles data and Port 21 provides control.
Wireless Protected Access
Routing Information Protocol
Implement VLANs (Virtual Local Area Network)

35. Servers

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36. BRI Means...
Basic Rate Interface
514
802.11b
Secure Sockets Layer

37. Client-Server Networks
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.
Asynchronous Transfer Mode
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.
TFTP (Trivial File Transfer Protocol)

38. Which one of the following devices connects a network segment to a public telephone network?
ping
CSU / DSU (Channel Service Unit / Data Service Unit)
Telnet
Proxy

39. 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
Internet Protocol
Handles the call center and call routing and can be thought of as a sophisticated network answering machine
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
RJ-11 (Registered Jack)

40. What is UDP? What are some of its attributes?
User Datagram Protocol. This protocol is connectionless and routable.
Router
Internet Protocol
Public Key Infrastructure

41. On what Port is POP3?
Basic Rate Interface
110
Network News Transfer Protocol
Presentation

42. 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?
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
Port 161 is SNMP and Port 162 is the SNMP Manager
The analyzer is functioning properly.
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers

43. Which one of the following is an IEEE (Institute of Electrical and Electronics Engineers) copper cable standard?
1000BASE-CX
Telnet
Internetwork packet exchange
100 Mbps (Megabits per second)

44. 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)?
netstat and ping
RJ-11 (Registered Jack)
Service Set Identifier
A 2.4 GHz (Gigahertz) cordless telephone is in use.

45. On what Port is RDP?
The amber light is flashing occasionally and the green light is lit steadily.
Internet connection
Multiple Link Interface
3389

46. What is PPTP?
Handles the call center and call routing and can be thought of as a sophisticated network answering machine
POP3
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)
Point to Point Tunneling Protocol

47. What is PPP?
Basic Rate Interface
Wireless Protected Access
Point to Point Protocol
Integrated Services digital Network

48. WEP Means...
Asynchronous Transfer Mode
Networked Basic Input/Output System
Wired Equivalent Privacy
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.

49. Around noon - 802.11b wireless users near the break room have intermittent - random connections. What is the problem?
An old microwave oven is being used in the break room which causes interference with the access point.
encapsulating the data payload.
HTTP
Simple Network Management Protocol

50. 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?
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
Plain Old Telephone Service
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.
rp

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