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Test your basic knowledge |
CISSP Telecom And Network Security
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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. Wireless standard that will improve security of wireless communication
Challenge Handshake Authentication Protocol (CHAP)
802.11i
Distributed Environment Challenge
Multi-protocol Label Switching
2. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
ThickNet - aka 10base5.
Mesh Topology
Commonly used in logical bus - Ethernet - token ring.
Packet Filtering Firewall
3. As they travel down the OSI model on the source computer - each layer adds its own information so the corresponding layer on the destination machine knows how to process the data.
OSI Data encapsulation
IPSec
Pulse Code Modulation (PCM)
Spam over Internet Telephony (SPIT)
4. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
Open System Authentication (OSA)
DNS (Domain Name System)
Ethernet (802.3)
Packet Filtering Firewall
5. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
Tree Topology
Ethernet (802.3)
T1
FDDI-2
6. Wireless communication that distributes individual signals across the allocated frequencies.
Spread Spectrum
SPIM
OSI Data encapsulation
Simplex: One direction.
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
Layer 2 Tunneling Protocol (L2TP)
Star Topology
Half-Duplex
8. 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.
Token Ring (802.5)
Digital Subscriber Line (DSL)
Iterated Association
Trunk Lines
9. 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.
Point-To-Point Tunneling Protocol (PPTP)
Repeaters
ARP Poisoning
Wired Equivalent Privacy (WEP)
10. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
Direct Sequence Spread Spectrum (DSSS)
Commonly used in FDDI.
Proxy Firewall
Bluejacking
11. SMTP server that is configured for sending email from any source to and destination.
Session Initiation Protocol (SIP)
Bastion Host
Twisted Pair Cables
Open Relay
12. 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
Attenuation
OSI Layer 2: Data Link Layer
DNS (Domain Name System)
Dual-Homed Firewall
13. VPN protocol that can run in other networks (frame relay - X.25 - ATM). Does not provide encryption - lacks the security to be called a true "VPN" solution.
Switch
10baseT
Layer 2 Tunneling Protocol (L2TP)
Carrier sense multiple access with collision detection (CSMA/CD)
14. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
802.11b
X.25
Screened Sub-Net
Circuit Level Proxy Firewall
15. Protocol that translates a MAC address into an IP address.
Serial Line Internet Protocol (SLIP)
Reverse Address Resolution Protocol (RARP )
Proxy Firewall Strengths
DNS (Domain Name System)
16. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
Token Passing
Router
802.11a
Synchronous Communication
17. Protocol where all computers compete for the shard network cable - listen to learn when they can transmit data - susceptible to data collisions. Used by Ethernet.
Carrier sense multiple access with collision detection (CSMA/CD)
Screened Sub-Net
Multilevel Switching
Channel Service Unit/Data Service Unit (CSU/DSU)
18. Communication process that must deliver data with set time constraints. Applications are typically video related where audio and must match perfectly. VoIP is another example.
Simplex: One direction.
Private Branch Exchange (PBX)
Tree Topology
Isochronous Communication Processes
19. Both directions - only one application can send information at a time
Half-Duplex
Packet Filtering Firewall
ThinNet - aka 10base2
Session Initiation Protocol (SIP)
20. Type of network device that allows different network segments and/or systems to communicate. When communication takes place - a dedicated connection is set up - so collision and broadcast data is not available to other devices. Combined repeater (hub
Dynamic Packet Filtering
Virtual Private Network (VPN)
Switch
Metropolitan Area Network (MAN)
21. Type of network that allows large IP ranges to be divided into smaller - logical - and easier to maintain network segments.
Subnetting
Serial Line Internet Protocol (SLIP)
IGMP
T3
22. Network where a virtual connection that acts like a dedicated link between two systems is set up. Traffic travels in a predictable and constant manner. Example - telephone.
Circuit Switching
Wireless Application Protocol (WAP)
Channel Service Unit/Data Service Unit (CSU/DSU)
Digital Subscriber Line (DSL)
23. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
Point-To-Point Tunneling Protocol (PPTP)
Token Ring (802.5)
Crosstalk
SOCKS Firewall
24. Device used within companies to provide multiple services to users throughout a building or facility. Example - dialing 9 to place outbound phone calls. Security concerns: default configurations and passwords - maintenance modems disabled - unused co
Plenum-rated Cables
Private Branch Exchange (PBX)
FDDI-2
Kernel Proxy Firewall
25. Dynamically builds ACL's to allow internal systems to communicate with external systems. Once the connection is finished - the ACL is removed from the list. 4th generation firewall.
Synchronous Data Link Control (SDLC)
Serial Line Internet Protocol (SLIP)
Dynamic Packet Filtering
Coaxial Cables
26. 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.
Packet Switching
Proxy Firewall
Synchronous Data Link Control (SDLC)
802.11
27. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Trunk Lines
Switched Virtual Circuit (SVC)
Packet Switching
Coaxial Cables
28. 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
ICMP (Internet Control Message Protocol)
Temporal Key Integrity Protocol (TKIP)
Blue Boxing
Packet Switching
29. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
Definition of Protocol
OSI Data encapsulation
IGMP
Classless inter-domain routing (CIDR)
30. 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.
Synchronous Data Link Control (SDLC)
Multilevel Switching
ICMP (Internet Control Message Protocol)
OSI Layer 3: Network Layer
31. 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.
Half-Duplex
Virtual Private Network (VPN)
OSI Data encapsulation
T3
32. 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.
Dynamic Packet Filtering
Tree Topology
OSI Layer 6: Presentation
Extensible Authentication Protocol (EAP)
33. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
OSI Layer 3: Network Layer
Screened Sub-Net
Coaxial Cables
Commonly used in FDDI.
34. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Application Proxy vs. Circuit Level
Attenuation
IGMP
Spam over Internet Telephony (SPIT)
35. 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.
Screened Host Firewall
Wireless Application Protocol (WAP)
Wired Equivalent Privacy (WEP)
Commonly used in Ethernet.
36. New variant to traditional email spam on VoIP networks.
Reverse Address Resolution Protocol (RARP )
Commonly used in Internet.
Synchronous Communication
Spam over Internet Telephony (SPIT)
37. 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.
OSI Layer 1: Physical
Integrated Services Digital Network (ISDN)
Bridge
Switch
38. 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-
Half-Duplex
Open System Authentication (OSA)
Frequency Hopping Spread Spectrum (FHSS)
Repeaters
39. Identifys a WLAN. Can be used to segment environments into different WLANS.
Committed Information Rate (CIR)
Multilevel Switching
TCP
Service Set ID (SSID)
40. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
Point-To-Point (PPP)
Commonly used in Internet.
Distributed Environment Challenge
ICMP (Internet Control Message Protocol)
41. Type of firewall that is also know as a screening router and is accomplished by ACL's (Lines of text called rules). Traffic can be filtered by address - ports - and protocol types. 1st generation firewall - runs at the network layer.
Port Numbers
Trunk Lines
Bluejacking
Packet Filtering Firewall
42. Type of wireless authentication where the device does not need to provide a key for authentication. Usually - only the SSID is required and plaintext transmission occurs.
Open System Authentication (OSA)
High Level Data Link Control (HLDC)
CBC-MAC Protocol (CCMP)
Serial Line Internet Protocol (SLIP)
43. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
UDP
Dynamic Packet Filtering
TCP
Reverse Address Resolution Protocol (RARP )
44. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
Open System Authentication (OSA)
Ethernet (802.3)
DOS attacks from flooding
T3
45. Type of network layout that is a large geographical region connecting more that one LAN.
Isochronous Communication Processes
Screened Sub-Net
Wide Area Network (WAN)
Kernel Proxy Firewall
46. 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)
Screened Sub-Net
Application Proxy vs. Circuit Level
Isochronous Communication Processes
47. Type of host that is locked down - hardened - system. Systems installed in the DMZ (firewalls - servers) should be installed on this type of host.
SOCKS Firewall
Crosstalk
X.25
Bastion Host
48. Set of rules that dictates how computer communicate over networks.
Definition of Protocol
VoIP
Bastion Host
OSI Layer 7: Application
49. Type of topology where computers all are connected to each other - which provides redundancy.
Commonly used in Internet.
Circuit Level Proxy Firewall
Proxy Firewall Strengths
Point-To-Point (PPP)
50. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
802.11
Layer 2 Tunneling Protocol (L2TP)
Commonly used in Ethernet.
Private Branch Exchange (PBX)