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Test your basic knowledge |
CISSP Telecom And Network Security
Start Test
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Subjects
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certifications
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it-skills
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cissp
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. Type of LAN and MAN technology - usually used for backbones - that uses token-passing technology and has redundant rings in case the primary ring goes down.
Packet Switching
Fiber Distributed Data Interface (FDDI)
Layers in the TCP/IP Model
Port Numbers
2. OSI layer that provides routing - addressing - and fragmentation of packets. This layer can determine alternative routes to avoid network congestion. Protocols that use this layer are IP - ICMP - RIP - OSPF (Open Shortest Path First) - BGP (Border Ga
Application Proxy Firewall
OSI Layer 3: Network Layer
X.25
VLAN
3. Protocol that works at the network layer and informs hosts - routers - and devices of network or computer problems. It is the major component of the ping utility.
Port Numbers
Packet Filtering Firewall
ICMP (Internet Control Message Protocol)
Session Initiation Protocol (SIP)
4. A WAN protocol that works at the data link layer and performs packet switching. Economical choice because the fee is based on bandwidth usage rather than a dedicated pipeline.
Open System Authentication (OSA)
Frame Relay
Loki Attack
Repeaters
5. Type of network device that is the simplest type of connectivity because it only repeats and amplifies electric signals between cable segments. Works at the physical layer.
Mesh Topology
Screened Host Firewall
Repeaters
Trunk Lines
6. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
Multi-protocol Label Switching
802.11b
802.11a
OSI Data encapsulation
7. Type of network device that divides networks into more controllable segments to ensure more efficient use of bandwidth. Works at the data link layer and understands MAC addresses - not IP addresses.
Bridge
Layer 2 Tunneling Protocol (L2TP)
Remote Access Servers
Mesh Topology
8. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
DNS (Domain Name System)
Blue Boxing
802.15
Commonly used in logical bus - Ethernet - token ring.
9. Older LAN implementation that uses a token-passing technology. Can send a beacon frame to indicate that a certain computer is failing and its neighbors should reconfigure and work around the detected fault.
Token Ring (802.5)
Point-To-Point Tunneling Protocol (PPTP)
10baseT
Open System Authentication (OSA)
10. OSI layer 2 Sub-layers. The first provides a standard interface for the network protocol being used. The second provides a standard interface for the physical layer protocol being used.
Proxy Firewall Strengths
Noise
LLC (Logical Link Control - 802.2)
Circuit Switching
11. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
Layer 2 Tunneling Protocol (L2TP)
ThickNet - aka 10base5.
Tree Topology
Serial Line Internet Protocol (SLIP)
12. Most expensive type of WAN connection because the fee is based on distance between the two points rather than the amount of bandwidth used. Examples - T1 and T3.
Virtual Private Network (VPN)
Password Authentication Protocol (PAP)
Port Numbers
Dedicated Links
13. Type of firewall that looks at header information to make decisions on whether a packet is deemed acceptable. This type does not look as deep within the packet as an application level proxy - runs at the session layer.
Circuit Level Proxy Firewall
Channel Service Unit/Data Service Unit (CSU/DSU)
Token Ring (802.5)
VoIP
14. Firewall that does not require a proxy for each service; does not provide detailed access control; but does provide for a wider range of protocols.
IPv6
Synchronous Optical Networks (SONETS)
Definition of Protocol
Application Proxy vs. Circuit Level
15. Identifys a WLAN. Can be used to segment environments into different WLANS.
Wired Equivalent Privacy (WEP)
Noise
Service Set ID (SSID)
Password Authentication Protocol (PAP)
16. Type of firewall that Inspects incoming/outgoing messages for malicious information. If approved - transfers an isolated copy from one network to another. 2nd generation firewall.
Wireless Application Protocol (WAP)
802.15
Proxy Firewall
Open System Authentication (OSA)
17. Altering an ARP table so an IP address is mapped to a different MAC address. Results in traffic being routed to an attacker's computer.
Proxy Firewall
Ring Topology
Spam over Internet Telephony (SPIT)
ARP Poisoning
18. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
TCP
Classless inter-domain routing (CIDR)
Permanent Virtual Circuit (PVC)
Serial Line Internet Protocol (SLIP)
19. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
Simplex: One direction.
OSI Layer 5: Session Layer
Dual-Homed Firewall
T3
20. Network where a dedicated virtual link is not set up - and packets can use many different dynamic paths to get to the same destination. This causes variable delays. Examples are frame relay and X.25
ARP Poisoning
Packet Switching
ARP (Address Resolution Protocol)
Router
21. Protocol based on the SDLC protocol - except it is an open protocol - supports full-duplex connections - and provides a higher throughput. It also provides polling - which enables secondary units to communicate with primary units.
High Level Data Link Control (HLDC)
Fiber-optic Cables
ThinNet - aka 10base2
VoIP
22. Uses tunneling protocols and encryption to provide a secure network connection between two network hosts. Private and secure connections can be made across an unsecured network. Example protocols are PPTP - L2TP - and IPSec.
Application Proxy vs. Circuit Level
Virtual Private Network (VPN)
Layers in the OSI Model
Multi-protocol Label Switching
23. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.
LLC (Logical Link Control - 802.2)
Extensible Authentication Protocol (EAP)
Password Authentication Protocol (PAP)
Remote Access Servers
24. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Challenge Handshake Authentication Protocol (CHAP)
Frequency Hopping Spread Spectrum (FHSS)
OSI Layer 6: Presentation
DOS attacks from flooding
25. Type of topology where computers all are connected to each other - which provides redundancy.
Direct Sequence Spread Spectrum (DSSS)
Commonly used in Internet.
Screened Sub-Net
Frame Relay
26. Set of rules that dictates how computer communicate over networks.
Ring Topology
Bridge
Dynamic Packet Filtering
Definition of Protocol
27. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
Circuit Switching
Application Proxy vs. Circuit Level
T1
Fiber-optic Cables
28. Type of firewall that lies between the perimeter router and and LAN.
Switched Virtual Circuit (SVC)
Screened Host Firewall
Packet Switching
Tree Topology
29. Type of authentication protocol that provides a framework to enable may types of authentication techniques to be used during PPP connections. It extends the possibilities to one-time passwords - token cards - biometrics - Kerberos - and digital certi
Synchronous Communication
Extensible Authentication Protocol (EAP)
Trunk Lines
Temporal Key Integrity Protocol (TKIP)
30. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
Remote Access Servers
ThinNet - aka 10base2
Source Routing
SOCKS Firewall
31. Type of network device that links 2 or more network segments - where each segment can function as an independent network. Works at the network layer - works with IP addresses - and has more network knowledge than the other hardware.
Router
Permanent Virtual Circuit (PVC)
Wide Area Network (WAN)
Layers in the OSI Model
32. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
Bluejacking
FDDI-2
Distributed Environment Challenge
Screened Sub-Net
33. Wireless communication that distributes individual signals across the allocated frequencies.
Spread Spectrum
Bridge
Full-Duplex
Multi-protocol Label Switching
34. OSI layer that provides physical connections for transmission and performs the electrical encoding of data. This layer transforms bits to electrical signals. Protocols at this level HSSI (High Speed Serial Interface) - X.21 - EIA/TIA 232 and 449.
OSI Layer 7: Application
OSI Layer 1: Physical
Bluejacking
Twisted Pair Cables
35. Spam over IM
Layer 2 Tunneling Protocol (L2TP)
UDP
802.11b
SPIM
36. 4: Application - 3: Host-to-Host - 2: Internet - 1: Network Access - 3 -1 -1 -2 will map to the OSI model.
DOS attacks from flooding
Committed Information Rate (CIR)
IGMP
Layers in the TCP/IP Model
37. OSI layer that has services and protocols required by the user's applications for network functionality. Example protocols include HTTP - SMTP - FTP - Telnet.
Tree Topology
Noise
OSI Layer 7: Application
Temporal Key Integrity Protocol (TKIP)
38. OSI layer that prepares data for the network medium by framing it into LAN/WAN frames. Defines how the physical layer transmits the network packets. Protocols at this layer ARP (Address Resolution Protocol) - RARP (Reverse Address Resolution Protocol
OSI Layer 2: Data Link Layer
Bastion Host
Open System Authentication (OSA)
ThinNet - aka 10base2
39. Wireless communication that splits total amount of bandwidth into smaller sub-channels. Send and receiver work in one of the channels for a period of time - and then move into a different channel. It uses a portion of the bandwidth - throughput of 1-
Synchronous Data Link Control (SDLC)
Token Ring (802.5)
Spread Spectrum
Frequency Hopping Spread Spectrum (FHSS)
40. The well known values range from 0-1023. FTP runs on 20 and 21 - SMTP runs on 25 - TFTP runs on 69 - DNS runs on 53 - HTTP runs on 80 - HTTPS runs on 443 - SNMP runs on 161.
Asynchronous Transfer Mode (ATM)
Port Numbers
TCP
OSI Data encapsulation
41. Type of network layout that separates and group computers logically.
FDDI-2
Digital Subscriber Line (DSL)
Kernel Proxy Firewall
VLAN
42. Communication devices that are not synchronized - meaning all devices can send data at will - send a sequence of bits framed with a start and stop bit.
Challenge Handshake Authentication Protocol (CHAP)
Channel Service Unit/Data Service Unit (CSU/DSU)
Attenuation
Asynchronous Communication
43. This is a standard for fiber-optic cabling and uses self-healing network rings. This standard describes the interfaces that can be used over fiber lines and the signaling that can be employed. Works at the physical layer of the OSI model.
Synchronous Optical Networks (SONETS)
Proxy Firewall
Remote Access Servers
IPv6
44. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Blue Boxing
Virtual Private Network (VPN)
ARP (Address Resolution Protocol)
Remote Access Servers
45. Both directions - both applications can send information at a time. Session Layer Communication Modes
Remote Access Servers
Layer 2 Tunneling Protocol (L2TP)
Full-Duplex
Proxy Firewall Strengths
46. Type of topology that uses a bus that does not have a one linear cable - but instead uses branches of cables. Commonly used in Ethernet.
Tree Topology
Layer 2 Tunneling Protocol (L2TP)
802.11b
ARP Poisoning
47. SMTP server that is configured for sending email from any source to and destination.
Carrier sense multiple access with collision detection (CSMA/CD)
Frame Relay
VoIP
Open Relay
48. A packet switching technology that is used by telecommunication services for data-only traffic. It is a subscriber based service that operates within the network and data link layers.
Multi-protocol Label Switching
Frame Relay
X.25
Reverse Address Resolution Protocol (RARP )
49. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.
VoIP
Cable Modem
Distributed Environment Challenge
Direct Sequence Spread Spectrum (DSSS)
50. Type of switch that uses tags that are assigned to each destination network. The network compares the tag with its tag information base - appends the appropriate tag - and forwards to the next switch. This increases the transmission speed - allows la
Wide Area Network (WAN)
Multi-protocol Label Switching
Spread Spectrum
Classless inter-domain routing (CIDR)