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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
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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. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Switch
Commonly used in logical bus - Ethernet - token ring.
Coaxial Cables
Open System Authentication (OSA)
2. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
Packet Switching
Crosstalk
FDDI-2
ARP Poisoning
3. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Iterated Association
Attenuation
Bluejacking
Ethernet (802.3)
4. New variant to traditional email spam on VoIP networks.
Cable Modem
ThickNet - aka 10base5.
Serial Line Internet Protocol (SLIP)
Spam over Internet Telephony (SPIT)
5. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
Asynchronous Transfer Mode (ATM)
Metropolitan Area Network (MAN)
802.11a
TCP
6. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.
802.11b
VoIP
OSI Layer 4: Transport Layer
Ethernet (802.3)
7. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Remote Access Servers
Service Set ID (SSID)
Subnetting
Spam over Internet Telephony (SPIT)
8. Strengths of a type of Stateful Firewall: High security - better performance than an application firewall. Weaknesses include more complex - ___________ - if rebooted all information is lost.
Session Initiation Protocol (SIP)
DOS attacks from flooding
High Level Data Link Control (HLDC)
OSI Layer 4: Transport Layer
9. 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)
ThinNet - aka 10base2
Temporal Key Integrity Protocol (TKIP)
Kernel Proxy Firewall
10. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Screened Sub-Net
Permanent Virtual Circuit (PVC)
Point-To-Point (PPP)
Commonly used in Internet.
11. 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.
FDDI-2
Switched Virtual Circuit (SVC)
Asynchronous Transfer Mode (ATM)
Service Set ID (SSID)
12. 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.
802.15
Reverse Address Resolution Protocol (RARP )
Circuit Switching
FDDI-2
13. Identifys a WLAN. Can be used to segment environments into different WLANS.
Kernel Proxy Firewall
Digital Subscriber Line (DSL)
Asynchronous Communication
Service Set ID (SSID)
14. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Mesh Topology
Synchronous Optical Networks (SONETS)
802.11
Coaxial Cables
15. 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.
Session Initiation Protocol (SIP)
Layer 2 Tunneling Protocol (L2TP)
Dedicated Links
OSI Layer 2: Data Link Layer
16. 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-
Permanent Virtual Circuit (PVC)
Repeaters
Application Proxy vs. Circuit Level
Frequency Hopping Spread Spectrum (FHSS)
17. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
Bus Topology
802.11b
Bridge
Digital Subscriber Line (DSL)
18. Malware attack that sends commands inside of an ICMP packet.
DNS (Domain Name System)
Loki Attack
Layer 2 Tunneling Protocol (L2TP)
Point-To-Point (PPP)
19. 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
VoIP
Layer 2 Tunneling Protocol (L2TP)
Commonly used in Ethernet.
20. Provides high-speed access - up to 50 Mbps - to the Internet through existing cable coaxial and fiber lines. Major security concern is the fact that neighbors use the same coaxial network and can monitor each others traffic.
Ethernet (802.3)
Private Branch Exchange (PBX)
Cable Modem
Integrated Services Digital Network (ISDN)
21. 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.
Asynchronous Communication
Tree Topology
IPSec
Proxy Firewall
22. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Challenge Handshake Authentication Protocol (CHAP)
802.15
Ethernet (802.3)
Blue Boxing
23. Type of cable where STP and UTP (shielded and unshielded) cables are the most popular - cheapest - and easiest to work with. However - easiest to tap into - have cross talk issues - and are vulnerable to electromagnetic interference (EMI).
Pulse Code Modulation (PCM)
Open Relay
Twisted Pair Cables
Wired Equivalent Privacy (WEP)
24. 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
Definition of Protocol
Packet Filtering Firewall
Switch
Fiber-optic Cables
25. Protocol stack used instead of TCP/IP on wireless devices. The "gap" in this protocol involves translating its secure traffic to SSL or TLS - which is typically done by a 3rd party.
Wireless Application Protocol (WAP)
Synchronous Optical Networks (SONETS)
Screened Sub-Net
Integrated Services Digital Network (ISDN)
26. If the packet header information is used to determine destinations rather than the routes configured into the router. Packets with this information should be dropped.
Mesh Topology
Shared Key Authentication (SKA)
Source Routing
Simplex: One direction.
27. Faster because processing is done in the kernel. One network stack is created for each packet. 5th generation firewall - runs at the application layer.
VLAN
Kernel Proxy Firewall
Channel Service Unit/Data Service Unit (CSU/DSU)
ThinNet - aka 10base2
28. 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.
Frame Relay
10baseT
Packet Filtering Firewall
High Level Data Link Control (HLDC)
29. 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.
Virtual Private Network (VPN)
Commonly used in FDDI.
Switched Virtual Circuit (SVC)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
30. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
Network Address Translator (NAT)
Remote Access Servers
Trunk Lines
Committed Information Rate (CIR)
31. OSI layer that sets up - maintains - and breaks down the dialog (session) between two applications. Controls dialog organization and synchronization. Protocols that work at this layer are NFS (Network File System) - SQL - NetBIOS - RPC.
Frequency Hopping Spread Spectrum (FHSS)
OSI Layer 5: Session Layer
OSI Layer 3: Network Layer
Screened Sub-Net
32. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
Commonly used in logical bus - Ethernet - token ring.
T3
Point-To-Point (PPP)
Frame Relay
33. Security wireless standard that enables data transfers to be encrypted. Static encryption keys among clients - short 40 bit keys - RC4 encryption - ineffective use of 24 bit IV's - and no packet integrity.
Wired Equivalent Privacy (WEP)
Noise
Circuit Level Proxy Firewall
DOS attacks from flooding
34. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Trunk Lines
CBC-MAC Protocol (CCMP)
Challenge Handshake Authentication Protocol (CHAP)
Stateful Firewall
35. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Noise
Synchronous Communication
Switched Virtual Circuit (SVC)
Fiber Distributed Data Interface (FDDI)
36. 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).
Channel Service Unit/Data Service Unit (CSU/DSU)
Packet Filtering Firewall
OSI Layer 7: Application
FDDI-2
37. Type of firewall that lies between the perimeter router and and LAN.
Screened Host Firewall
Digital Subscriber Line (DSL)
TCP
Layer 2 Tunneling Protocol (L2TP)
38. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
Synchronous Communication
Integrated Services Digital Network (ISDN)
TCP
Open Relay
39. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
UDP
Bluejacking
Full-Duplex
Shared Key Authentication (SKA)
40. 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.
Layer 2 Tunneling Protocol (L2TP)
Dedicated Links
Fiber-optic Cables
10baseT
41. Security wireless standard that rotates encryption keys - stronger IV values - MAC codes for packet integrity. Works in combination with WEP.
Temporal Key Integrity Protocol (TKIP)
Open Relay
Mesh Topology
Loki Attack
42. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
10baseT
Spread Spectrum
Bastion Host
Switch
43. 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
Screened Sub-Net
ARP (Address Resolution Protocol)
IPv6
44. This network technology determines which system will send data based on which one has the token.
Isochronous Communication Processes
Spam over Internet Telephony (SPIT)
Layers in the TCP/IP Model
Token Passing
45. Protocol that translates IP address into a MAC address (physical Ethernet address)
Switched Virtual Circuit (SVC)
ARP (Address Resolution Protocol)
Kernel Proxy Firewall
Password Authentication Protocol (PAP)
46. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
Bluejacking
Source Routing
Simplex: One direction.
IPSec
47. 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
Half-Duplex
Packet Switching
Loki Attack
Spread Spectrum
48. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
Serial Line Internet Protocol (SLIP)
802.11
Synchronous Data Link Control (SDLC)
Frame Relay
49. 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.
ARP Poisoning
Metropolitan Area Network (MAN)
Distributed Environment Challenge
OSI Layer 5: Session Layer
50. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
OSI Data encapsulation
Fiber Distributed Data Interface (FDDI)
ThickNet - aka 10base5.
IPSec