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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. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
Asynchronous Communication
10baseT
802.11b
Commonly used in FDDI.
2. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
Shared Key Authentication (SKA)
DOS attacks from flooding
Classless inter-domain routing (CIDR)
Token Passing
3. Wireless communication that distributes individual signals across the allocated frequencies.
OSI Layer 6: Presentation
Screened Host Firewall
Password Authentication Protocol (PAP)
Spread Spectrum
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.
Point-To-Point Tunneling Protocol (PPTP)
802.11a
Proxy Firewall
Port Numbers
5. 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.
Wireless Application Protocol (WAP)
High Level Data Link Control (HLDC)
Multilevel Switching
Asynchronous Transfer Mode (ATM)
6. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
SOCKS Firewall
Commonly used in FDDI.
Twisted Pair Cables
ThickNet - aka 10base5.
7. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
SPIM
Frame Relay
Attenuation
Spread Spectrum
8. Type of network layout that is a large geographical region connecting more that one LAN.
Port Numbers
ARP Poisoning
Wide Area Network (WAN)
Remote Access Servers
9. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
Virtual Private Network (VPN)
DNS (Domain Name System)
Coaxial Cables
Point-To-Point (PPP)
10. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
Network Address Translator (NAT)
Commonly used in FDDI.
OSI Layer 6: Presentation
UDP
11. Type of wireless security standard that uses AES in CBC mode.
CBC-MAC Protocol (CCMP)
Bus Topology
IPSec
Network Address Translator (NAT)
12. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Commonly used in logical bus - Ethernet - token ring.
Dual-Homed Firewall
802.11b
Fiber-optic Cables
13. 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.
Temporal Key Integrity Protocol (TKIP)
LLC (Logical Link Control - 802.2)
Repeaters
Circuit Switching
14. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
Switch
ThickNet - aka 10base5.
802.11b
Crosstalk
15. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
Switched Virtual Circuit (SVC)
Multilevel Switching
802.16
Committed Information Rate (CIR)
16. 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.
Half-Duplex
DOS attacks from flooding
Serial Line Internet Protocol (SLIP)
Noise
17. 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
Wide Area Network (WAN)
Bluejacking
Tree Topology
18. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
Twisted Pair Cables
VLAN
802.11b
Asynchronous Transfer Mode (ATM)
19. Protocol that increases address size from 32 bits to 128 bits
VoIP
IPv6
Cable Modem
Trunk Lines
20. Spam over IM
Point-To-Point (PPP)
Kernel Proxy Firewall
Proxy Firewall
SPIM
21. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Carrier sense multiple access with collision detection (CSMA/CD)
CBC-MAC Protocol (CCMP)
Noise
Password Authentication Protocol (PAP)
22. 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.
802.11i
Twisted Pair Cables
ICMP (Internet Control Message Protocol)
Application Proxy vs. Circuit Level
23. 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.
Frame Relay
Channel Service Unit/Data Service Unit (CSU/DSU)
VoIP
Synchronous Optical Networks (SONETS)
24. Wireless standard that will improve security of wireless communication
ARP (Address Resolution Protocol)
ThinNet - aka 10base2
Network Address Translator (NAT)
802.11i
25. 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.
Asynchronous Communication
Frequency Hopping Spread Spectrum (FHSS)
Ethernet (802.3)
ICMP (Internet Control Message Protocol)
26. Network cabling that is placed in these types of areas must meet a specific fire rating. These cables typically have a jacked cover made of fluoropolymers.
Shared Key Authentication (SKA)
Plenum-rated Cables
Crosstalk
Classless inter-domain routing (CIDR)
27. Application layer request/response protocol widely used for VoIP communication sessions. Transported by UDP - makes use of TCP - and is vulnerable to sniffing attacks.
Wide Area Network (WAN)
OSI Layer 6: Presentation
Ethernet (802.3)
Session Initiation Protocol (SIP)
28. Protocol for allowing multi-cast (one to many) communication
Cable Modem
Blue Boxing
IGMP
Frequency Hopping Spread Spectrum (FHSS)
29. 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
Crosstalk
DNS (Domain Name System)
Application Proxy vs. Circuit Level
30. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
Layers in the OSI Model
FDDI-2
VLAN
Commonly used in logical bus - Ethernet - token ring.
31. Problems: Central device is a single point of failure.
Metropolitan Area Network (MAN)
Direct Sequence Spread Spectrum (DSSS)
Layers in the TCP/IP Model
Star Topology
32. 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.
OSI Layer 6: Presentation
Channel Service Unit/Data Service Unit (CSU/DSU)
ThickNet - aka 10base5.
Metropolitan Area Network (MAN)
33. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
Circuit Switching
Password Authentication Protocol (PAP)
Commonly used in FDDI.
802.11b
34. 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.
Half-Duplex
Repeaters
Circuit Level Proxy Firewall
Wired Equivalent Privacy (WEP)
35. 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.
IPSec
OSI Data encapsulation
Proxy Firewall
TCP
36. Set of rules that dictates how computer communicate over networks.
Definition of Protocol
Repeaters
ARP Poisoning
Switch
37. A simplified version of X.25 - without the error checking that was done on the network. It handles error checking at the end node - which helps improve speed dramatically.
IPv6
Session Initiation Protocol (SIP)
Open System Authentication (OSA)
Frame Relay
38. Malware attack that sends commands inside of an ICMP packet.
IPv6
UDP
Virtual Private Network (VPN)
Loki Attack
39. SMTP server that is configured for sending email from any source to and destination.
Open Relay
Token Passing
ThickNet - aka 10base5.
Integrated Services Digital Network (ISDN)
40. Type of firewall that can be compromised if the OS does not have packet forwarding or routing turned off.
Synchronous Communication
Packet Filtering Firewall
Dual-Homed Firewall
Coaxial Cables
41. 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.
LLC (Logical Link Control - 802.2)
Spread Spectrum
Commonly used in FDDI.
Classless inter-domain routing (CIDR)
42. Type of cabling problem signals from one wire crossing over to another wire.
Crosstalk
Dual-Homed Firewall
Full-Duplex
Packet Filtering Firewall
43. 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)
Permanent Virtual Circuit (PVC)
Remote Access Servers
Metropolitan Area Network (MAN)
44. 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.
Screened Sub-Net
ARP (Address Resolution Protocol)
Bluejacking
Router
45. 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.
OSI Layer 3: Network Layer
Coaxial Cables
ICMP (Internet Control Message Protocol)
802.11i
46. 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
Direct Sequence Spread Spectrum (DSSS)
VoIP
Switch
Isochronous Communication Processes
47. 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.
Simplex: One direction.
Packet Filtering Firewall
Session Initiation Protocol (SIP)
Application Proxy Firewall
48. 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 Layer 4: Transport Layer
OSI Layer 7: Application
Open System Authentication (OSA)
OSI Data encapsulation
49. 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.
Committed Information Rate (CIR)
Commonly used in logical bus - Ethernet - token ring.
Circuit Switching
Point-To-Point Tunneling Protocol (PPTP)
50. Identifys a WLAN. Can be used to segment environments into different WLANS.
Bluejacking
Service Set ID (SSID)
Temporal Key Integrity Protocol (TKIP)
Coaxial Cables