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Test your basic knowledge |
CISSP Telecom And Network Security
Start Test
Study First
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. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.
Password Authentication Protocol (PAP)
Packet Filtering Firewall
Token Ring (802.5)
Digital Subscriber Line (DSL)
2. 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.
Proxy Firewall
ThickNet - aka 10base5.
Fiber-optic Cables
Switched Virtual Circuit (SVC)
3. Type of firewall that uses a proxy for each service and can understand and make decisions on the protocols used and the commands within those protocols - runs at the application layer.
Asynchronous Transfer Mode (ATM)
Cable Modem
Application Proxy Firewall
Synchronous Optical Networks (SONETS)
4. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same cable.
Full-Duplex
IPSec
Bus Topology
Spam over Internet Telephony (SPIT)
5. 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.
802.11b
Circuit Level Proxy Firewall
Dedicated Links
Asynchronous Communication
6. Type of topology where computers all are connected to each other - which provides redundancy.
Commonly used in Internet.
Crosstalk
Digital Subscriber Line (DSL)
Router
7. More complexity and drastically increases the difficultly of access control. Many different devices - services - and users make it difficult to know which entities to trust and to what degree.
Distributed Environment Challenge
Subnetting
UDP
802.11
8. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Bluejacking
Network Address Translator (NAT)
IGMP
9. Used when a LAN device needs to communicate with WAN devices over telephone lines. Ensures the necessary electrical signaling and format are used. Interfaces with Data Terminal Equipment (DTE) and Data Circuit-Terminal Equipment (DCE).
Attenuation
Circuit Switching
Channel Service Unit/Data Service Unit (CSU/DSU)
Screened Sub-Net
10. Layer 3 - layer 4 - and other layer switches have more enhanced functionality than layer 2 switches. Combines switching and routing technologies - packet inspection - traffic prioritization - and quality of service (QoS).
Coaxial Cables
Multilevel Switching
Plenum-rated Cables
Pulse Code Modulation (PCM)
11. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
Token Ring (802.5)
Bridge
UDP
Application Proxy Firewall
12. OSI layer that formats data into a standardized format and deals with the syntax of data - not the meaning. Example formats are ASCII - GIF - JPG - MPEG.
Wide Area Network (WAN)
Application Proxy vs. Circuit Level
Dynamic Packet Filtering
OSI Layer 6: Presentation
13. Spam over IM
SPIM
OSI Layer 4: Transport Layer
Star Topology
Token Passing
14. Security wireless standard that rotates encryption keys - stronger IV values - MAC codes for packet integrity. Works in combination with WEP.
10baseT
Token Ring (802.5)
Point-To-Point Tunneling Protocol (PPTP)
Temporal Key Integrity Protocol (TKIP)
15. 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.
Cable Modem
X.25
IPSec
ARP Poisoning
16. 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.
Multilevel Switching
Blue Boxing
Packet Switching
Application Proxy vs. Circuit Level
17. A technique that allows multiple layers of nesting. Example - IPSec tunnel can originate or terminate at a different IPSec site along the way.
Iterated Association
Twisted Pair Cables
CBC-MAC Protocol (CCMP)
Circuit Switching
18. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
OSI Layer 3: Network Layer
Commonly used in logical bus - Ethernet - token ring.
Dual-Homed Firewall
Definition of Protocol
19. 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.
Layers in the TCP/IP Model
ARP Poisoning
Trunk Lines
802.11a
20. Protocol that translates IP address into a MAC address (physical Ethernet address)
Synchronous Optical Networks (SONETS)
ARP (Address Resolution Protocol)
Kernel Proxy Firewall
ThinNet - aka 10base2
21. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.
Committed Information Rate (CIR)
IGMP
Loki Attack
Password Authentication Protocol (PAP)
22. In a token ring network - each computer is connected to this - which acts as a central hub.
Temporal Key Integrity Protocol (TKIP)
VLAN
Multistation Access Unit (MAU)
Layer 2 Tunneling Protocol (L2TP)
23. SMTP server that is configured for sending email from any source to and destination.
10baseT
Layers in the OSI Model
Open Relay
Tree Topology
24. Type of cable that carries data as light waves - expensive - can transmit data at high speeds - difficult to tap into - and is resistant to EMI. Most secure cabling option - but vulnerable to dispersion.
Fiber-optic Cables
Asynchronous Communication
Permanent Virtual Circuit (PVC)
Packet Switching
25. Both directions - only one application can send information at a time
Wireless Application Protocol (WAP)
Screened Sub-Net
Half-Duplex
Frame Relay
26. Type of topology that Uses linear single cable for all computers attached. All traffic travels full cable and can be viewed by all other computers.
802.11b
Committed Information Rate (CIR)
Fiber Distributed Data Interface (FDDI)
Commonly used in Ethernet.
27. Strengths of a type of firewall: Better security than packet filtering. Looks at all info in the packet - up to the application layer. Breaks the connection between trusted and untrusted systems. Weaknesses include limited number of applications supp
Router
Session Initiation Protocol (SIP)
Point-To-Point Tunneling Protocol (PPTP)
Proxy Firewall Strengths
28. Transmits high speed bandwidth over phone lines. Provides data rates up to 52 Mpbs using line of 1000 feet or less. Must be within 2.5 miles of a central office.
T1
Digital Subscriber Line (DSL)
Private Branch Exchange (PBX)
Half-Duplex
29. An older protocol that was used by ISP's to encapsulate data to be sent over dial up connections
Session Initiation Protocol (SIP)
Token Passing
Serial Line Internet Protocol (SLIP)
Metropolitan Area Network (MAN)
30. 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
Multi-protocol Label Switching
LLC (Logical Link Control - 802.2)
Switched Virtual Circuit (SVC)
802.11
31. Type of firewall that lies between the perimeter router and and LAN.
Distributed Environment Challenge
OSI Layer 2: Data Link Layer
Password Authentication Protocol (PAP)
Screened Host Firewall
32. Protocol that transfers data in fixed cells (53 bytes) - is a WAN technology - and transmits data at very high rates. Supports voice - data - and video applications.
ICMP (Internet Control Message Protocol)
OSI Layer 1: Physical
802.11
Asynchronous Transfer Mode (ATM)
33. Type of network layout that is a large geographical region connecting more that one LAN.
Noise
Wide Area Network (WAN)
802.11a
SPIM
34. Protocol that increases address size from 32 bits to 128 bits
802.11b
IPv6
ARP Poisoning
Switch
35. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Password Authentication Protocol (PAP)
Repeaters
Point-To-Point (PPP)
Blue Boxing
36. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Attenuation
Noise
Multilevel Switching
Twisted Pair Cables
37. 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.
IPSec
High Level Data Link Control (HLDC)
OSI Data encapsulation
Switched Virtual Circuit (SVC)
38. 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.
ARP Poisoning
Switched Virtual Circuit (SVC)
Fiber Distributed Data Interface (FDDI)
X.25
39. Application layer request/response protocol widely used for VoIP communication sessions. Transported by UDP - makes use of TCP - and is vulnerable to sniffing attacks.
Open System Authentication (OSA)
IGMP
Fiber Distributed Data Interface (FDDI)
Session Initiation Protocol (SIP)
40. 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
Packet Switching
Distributed Environment Challenge
SPIM
Token Ring (802.5)
41. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
Committed Information Rate (CIR)
OSI Layer 5: Session Layer
802.16
Ring Topology
42. Standard that outlines wireless personal area network (WPAN) technologies.
SOCKS Firewall
802.15
Application Proxy Firewall
Iterated Association
43. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
Synchronous Optical Networks (SONETS)
Synchronous Communication
Network Address Translator (NAT)
Ring Topology
44. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Noise
Coaxial Cables
Network Address Translator (NAT)
Plenum-rated Cables
45. Type of cabling problem signals from one wire crossing over to another wire.
Tree Topology
Fiber-optic Cables
Crosstalk
Synchronous Communication
46. 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.
Asynchronous Communication
TCP
Point-To-Point (PPP)
Repeaters
47. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
ThickNet - aka 10base5.
Wireless Application Protocol (WAP)
10baseT
Frame Relay
48. 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-
Ring Topology
Multilevel Switching
OSI Layer 1: Physical
Frequency Hopping Spread Spectrum (FHSS)
49. Wireless communication that applies sub-bits to a message (chips) and the receiver uses the chips to re-assemble the message based on the chipping code. It uses all available bandwidth - high throughput of 11Mbps.
Direct Sequence Spread Spectrum (DSSS)
IPv6
UDP
Wide Area Network (WAN)
50. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
ThickNet - aka 10base5.
OSI Data encapsulation
Packet Switching
ARP (Address Resolution Protocol)