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Test your basic knowledge |
CISSP Telecom And Network Security
Start Test
Study First
Subjects
:
certifications
,
it-skills
,
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. Problems: Central device is a single point of failure.
Star Topology
ThinNet - aka 10base2
Token Passing
OSI Layer 4: Transport Layer
2. Type of cabling problem signals from one wire crossing over to another wire.
Crosstalk
Half-Duplex
X.25
Commonly used in Ethernet.
3. Standard that addresses wireless MAN technologies.
Proxy Firewall
802.16
802.11
Service Set ID (SSID)
4. Proprietary protocol that enables secondary devices to communicate with primary stations or mainframes in an IBM architecture. Developed in the mid-70's for use in a systems network architecture (SNA) environment. First synchronous - link layer - bit
802.11b
ThickNet - aka 10base5.
Synchronous Data Link Control (SDLC)
IGMP
5. Type of authentication protocol that provides a framework to enable may types of authentication techniques to be used during PPP connections. It extends the possibilities to one-time passwords - token cards - biometrics - Kerberos - and digital certi
OSI Layer 6: Presentation
Carrier sense multiple access with collision detection (CSMA/CD)
Commonly used in FDDI.
Extensible Authentication Protocol (EAP)
6. 4: Application - 3: Host-to-Host - 2: Internet - 1: Network Access - 3 -1 -1 -2 will map to the OSI model.
Committed Information Rate (CIR)
Kernel Proxy Firewall
TCP
Layers in the TCP/IP Model
7. 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.
Reverse Address Resolution Protocol (RARP )
Plenum-rated Cables
Ethernet (802.3)
Wireless Application Protocol (WAP)
8. 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.
SOCKS Firewall
ARP (Address Resolution Protocol)
Source Routing
OSI Layer 3: Network Layer
9. Protocol for allowing multi-cast (one to many) communication
Spread Spectrum
IGMP
Commonly used in logical bus - Ethernet - token ring.
10baseT
10. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
Service Set ID (SSID)
Bluejacking
Proxy Firewall Strengths
X.25
11. 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
Full-Duplex
Twisted Pair Cables
IGMP
12. 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.
Digital Subscriber Line (DSL)
Point-To-Point Tunneling Protocol (PPTP)
Synchronous Optical Networks (SONETS)
Trunk Lines
13. OSI layer that provides routing - addressing - and fragmentation of packets. This layer can determine alternative routes to avoid network congestion. Protocols that use this layer are IP - ICMP - RIP - OSPF (Open Shortest Path First) - BGP (Border Ga
T1
OSI Layer 3: Network Layer
Private Branch Exchange (PBX)
High Level Data Link Control (HLDC)
14. 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
Point-To-Point (PPP)
Layers in the OSI Model
X.25
15. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Attenuation
SPIM
Frame Relay
802.11i
16. Type of network layout that separates and group computers logically.
Circuit Level Proxy Firewall
Temporal Key Integrity Protocol (TKIP)
Bluejacking
VLAN
17. This network technology determines which system will send data based on which one has the token.
Spread Spectrum
Bastion Host
Attenuation
Token Passing
18. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Frame Relay
Blue Boxing
Token Passing
Multi-protocol Label Switching
19. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
Frame Relay
T3
SOCKS Firewall
Bus Topology
20. Problems: Requires more expense in cabling and extra effort to track down cable faults.
Mesh Topology
Wireless Application Protocol (WAP)
ARP (Address Resolution Protocol)
Open Relay
21. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
DNS (Domain Name System)
TCP
Bastion Host
Wireless Application Protocol (WAP)
22. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
Shared Key Authentication (SKA)
OSI Layer 6: Presentation
Proxy Firewall Strengths
SPIM
23. 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.
Plenum-rated Cables
OSI Data encapsulation
ThickNet - aka 10base5.
Metropolitan Area Network (MAN)
24. Type of topology where computers all are connected to each other - which provides redundancy.
Ethernet (802.3)
Commonly used in Internet.
T1
Bridge
25. 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.
LLC (Logical Link Control - 802.2)
Frame Relay
VoIP
802.16
26. 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.
ARP (Address Resolution Protocol)
Trunk Lines
Asynchronous Transfer Mode (ATM)
Extensible Authentication Protocol (EAP)
27. Standard that outlines wireless personal area network (WPAN) technologies.
DNS (Domain Name System)
802.15
Virtual Private Network (VPN)
Committed Information Rate (CIR)
28. In a token ring network - each computer is connected to this - which acts as a central hub.
Multistation Access Unit (MAU)
Switch
Frame Relay
Wireless Application Protocol (WAP)
29. Identifys a WLAN. Can be used to segment environments into different WLANS.
Definition of Protocol
Proxy Firewall
Service Set ID (SSID)
Port Numbers
30. Protocol that translates a MAC address into an IP address.
Application Proxy Firewall
Reverse Address Resolution Protocol (RARP )
Committed Information Rate (CIR)
DNS (Domain Name System)
31. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
Port Numbers
Network Address Translator (NAT)
Dedicated Links
Fiber-optic Cables
32. SMTP server that is configured for sending email from any source to and destination.
Open Relay
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Ring Topology
ICMP (Internet Control Message Protocol)
33. 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.
802.11i
Point-To-Point Tunneling Protocol (PPTP)
Attenuation
Isochronous Communication Processes
34. Network segment name for a DMZ created by two physical firewalls.
Open Relay
Classless inter-domain routing (CIDR)
Screened Sub-Net
ThickNet - aka 10base5.
35. 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).
Layer 2 Tunneling Protocol (L2TP)
Subnetting
Spam over Internet Telephony (SPIT)
Channel Service Unit/Data Service Unit (CSU/DSU)
36. 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.
ARP Poisoning
Simplex: One direction.
Repeaters
Point-To-Point Tunneling Protocol (PPTP)
37. 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.
Packet Filtering Firewall
Switched Virtual Circuit (SVC)
OSI Layer 6: Presentation
VoIP
38. A WAN protocol that works at the data link layer and performs packet switching. Economical choice because the fee is based on bandwidth usage rather than a dedicated pipeline.
Definition of Protocol
ICMP (Internet Control Message Protocol)
Frame Relay
Token Ring (802.5)
39. 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.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Circuit Level Proxy Firewall
Loki Attack
Stateful Firewall
40. Set of rules that dictates how computer communicate over networks.
Source Routing
VoIP
Token Ring (802.5)
Definition of Protocol
41. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
Commonly used in FDDI.
Bastion Host
Layers in the OSI Model
Layers in the TCP/IP Model
42. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.
802.16
Direct Sequence Spread Spectrum (DSSS)
Multistation Access Unit (MAU)
Committed Information Rate (CIR)
43. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
Token Ring (802.5)
Stateful Firewall
802.11a
Session Initiation Protocol (SIP)
44. 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
Loki Attack
OSI Layer 2: Data Link Layer
Proxy Firewall Strengths
Application Proxy vs. Circuit Level
45. 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).
Twisted Pair Cables
Frequency Hopping Spread Spectrum (FHSS)
VLAN
Trunk Lines
46. 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.
T1
TCP
802.11a
Cable Modem
47. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
Classless inter-domain routing (CIDR)
802.11
Subnetting
Packet Filtering Firewall
48. Developed to replace the aging telephone and analog systems. BRI rate that uses two B channels (send/receive) - and one D channel (control information) - and PRI rate that uses up to 23 B channels. Supports voice - data - and video. Provides up to 1.
Screened Sub-Net
Source Routing
OSI Layer 5: Session Layer
Integrated Services Digital Network (ISDN)
49. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Challenge Handshake Authentication Protocol (CHAP)
Permanent Virtual Circuit (PVC)
Reverse Address Resolution Protocol (RARP )
Bluejacking
50. 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
Tree Topology
Spam over Internet Telephony (SPIT)
Star Topology