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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. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
Noise
Integrated Services Digital Network (ISDN)
DNS (Domain Name System)
Loki Attack
2. 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.
802.11b
Dedicated Links
Open System Authentication (OSA)
Carrier sense multiple access with collision detection (CSMA/CD)
3. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
IGMP
Extensible Authentication Protocol (EAP)
DOS attacks from flooding
Challenge Handshake Authentication Protocol (CHAP)
4. VPN protocol that works at the data link layer - can only run in IP networks - and provides encryption and encapsulation. This is Microsoft's VPN solution.
Ethernet (802.3)
Point-To-Point Tunneling Protocol (PPTP)
T1
Spam over Internet Telephony (SPIT)
5. 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.
ICMP (Internet Control Message Protocol)
Crosstalk
Bastion Host
Half-Duplex
6. Both directions - both applications can send information at a time. Session Layer Communication Modes
Definition of Protocol
OSI Layer 5: Session Layer
Asynchronous Transfer Mode (ATM)
Full-Duplex
7. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
Packet Filtering Firewall
ARP Poisoning
SOCKS Firewall
OSI Layer 2: Data Link Layer
8. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
Star Topology
Token Ring (802.5)
FDDI-2
OSI Layer 3: Network Layer
9. 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.
Bluejacking
Layers in the TCP/IP Model
Tree Topology
OSI Data encapsulation
10. Most commonly used LAN implementation today. Considered a "chatty" protocol because it allows all systems to hear each other's broadcasts. Has many collisions because all systems share the same medium. Can operate at 10 to 1000 Mbps.
Ethernet (802.3)
Challenge Handshake Authentication Protocol (CHAP)
Permanent Virtual Circuit (PVC)
Open Relay
11. Type of wireless security standard that uses AES in CBC mode.
Frame Relay
Shared Key Authentication (SKA)
CBC-MAC Protocol (CCMP)
Wireless Application Protocol (WAP)
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.
Ethernet (802.3)
Circuit Switching
Layer 2 Tunneling Protocol (L2TP)
IPv6
13. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
Stateful Firewall
OSI Layer 2: Data Link Layer
SPIM
10baseT
14. Protocol that increases address size from 32 bits to 128 bits
Commonly used in FDDI.
IPv6
Ethernet (802.3)
Channel Service Unit/Data Service Unit (CSU/DSU)
15. Application layer request/response protocol widely used for VoIP communication sessions. Transported by UDP - makes use of TCP - and is vulnerable to sniffing attacks.
Definition of Protocol
Fiber Distributed Data Interface (FDDI)
Packet Switching
Session Initiation Protocol (SIP)
16. 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.
Isochronous Communication Processes
ThinNet - aka 10base2
Wired Equivalent Privacy (WEP)
Commonly used in Internet.
17. 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)
Temporal Key Integrity Protocol (TKIP)
Packet Filtering Firewall
Distributed Environment Challenge
18. 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.
Carrier sense multiple access with collision detection (CSMA/CD)
Star Topology
Router
Commonly used in logical bus - Ethernet - token ring.
19. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Kernel Proxy Firewall
Remote Access Servers
ARP Poisoning
IPSec
20. Network segment name for a DMZ created by two physical firewalls.
Cable Modem
Screened Sub-Net
802.11a
Commonly used in Ethernet.
21. Malware attack that sends commands inside of an ICMP packet.
FDDI-2
Packet Filtering Firewall
Multilevel Switching
Loki Attack
22. Problems: Requires more expense in cabling and extra effort to track down cable faults.
Challenge Handshake Authentication Protocol (CHAP)
Mesh Topology
Layers in the OSI Model
ARP Poisoning
23. 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
Switch
Simplex: One direction.
ThickNet - aka 10base5.
Session Initiation Protocol (SIP)
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
Open Relay
Private Branch Exchange (PBX)
Password Authentication Protocol (PAP)
Commonly used in FDDI.
25. These are used to connect multiple switches for traffic of the same classification. Example - two voice switches at a local phone company's central office.
Source Routing
Trunk Lines
Frequency Hopping Spread Spectrum (FHSS)
Commonly used in Ethernet.
26. 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
Frame Relay
VLAN
Mesh Topology
27. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
ThickNet - aka 10base5.
Fiber-optic Cables
Bridge
Commonly used in FDDI.
28. 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.
T3
Frame Relay
Wireless Application Protocol (WAP)
OSI Layer 6: Presentation
29. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Multilevel Switching
Screened Sub-Net
Permanent Virtual Circuit (PVC)
Wired Equivalent Privacy (WEP)
30. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
Multilevel Switching
Bluejacking
Layer 2 Tunneling Protocol (L2TP)
Source Routing
31. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Point-To-Point Tunneling Protocol (PPTP)
Asynchronous Transfer Mode (ATM)
Plenum-rated Cables
Coaxial Cables
32. 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.
Shared Key Authentication (SKA)
Definition of Protocol
Distributed Environment Challenge
OSI Layer 3: Network Layer
33. Protocol for allowing multi-cast (one to many) communication
IGMP
High Level Data Link Control (HLDC)
Commonly used in Ethernet.
Network Address Translator (NAT)
34. Set of rules that dictates how computer communicate over networks.
OSI Layer 7: Application
ThickNet - aka 10base5.
Layers in the TCP/IP Model
Definition of Protocol
35. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
LLC (Logical Link Control - 802.2)
Multi-protocol Label Switching
Remote Access Servers
Blue Boxing
36. Both directions - only one application can send information at a time
Frame Relay
Layers in the OSI Model
Half-Duplex
Definition of Protocol
37. 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.
802.16
Tree Topology
Ring Topology
Layers in the TCP/IP Model
38. 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.
OSI Layer 6: Presentation
OSI Layer 3: Network Layer
High Level Data Link Control (HLDC)
10baseT
39. 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.
Half-Duplex
Subnetting
Asynchronous Communication
Synchronous Data Link Control (SDLC)
40. 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).
Mesh Topology
Direct Sequence Spread Spectrum (DSSS)
Network Address Translator (NAT)
Twisted Pair Cables
41. 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-
Frequency Hopping Spread Spectrum (FHSS)
Iterated Association
Permanent Virtual Circuit (PVC)
High Level Data Link Control (HLDC)
42. 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
Cable Modem
Point-To-Point (PPP)
OSI Layer 2: Data Link Layer
43. 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.
OSI Layer 5: Session Layer
IGMP
Synchronous Data Link Control (SDLC)
Subnetting
44. Type of backbone network that joins together LAN to other LANs and WANs to LANs - etc. Typically known as Synchronous Optical Networks (SONETS) or FDDI rings.
Metropolitan Area Network (MAN)
802.11i
OSI Layer 7: Application
Proxy Firewall
45. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.
Channel Service Unit/Data Service Unit (CSU/DSU)
Extensible Authentication Protocol (EAP)
T1
Password Authentication Protocol (PAP)
46. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
Isochronous Communication Processes
Packet Filtering Firewall
Integrated Services Digital Network (ISDN)
Commonly used in FDDI.
47. 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.
Circuit Switching
Service Set ID (SSID)
Fiber-optic Cables
Mesh Topology
48. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
Multistation Access Unit (MAU)
CBC-MAC Protocol (CCMP)
Ethernet (802.3)
ThinNet - aka 10base2
49. Type of firewall that keeps track of each communication session. It must maintain a state table that contains data about each connection. 3rd generation firewall - runs at the network layer.
Private Branch Exchange (PBX)
Stateful Firewall
Integrated Services Digital Network (ISDN)
Service Set ID (SSID)
50. 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.
ARP Poisoning
Source Routing
Layers in the TCP/IP Model
OSI Layer 4: Transport Layer