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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. Protocol that translates a MAC address into an IP address.
Wide Area Network (WAN)
Router
Reverse Address Resolution Protocol (RARP )
Plenum-rated Cables
2. 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
OSI Layer 1: Physical
Switch
Circuit Switching
Packet Filtering Firewall
3. Identifys a WLAN. Can be used to segment environments into different WLANS.
Proxy Firewall Strengths
Service Set ID (SSID)
Loki Attack
Synchronous Optical Networks (SONETS)
4. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
Kernel Proxy Firewall
ThickNet - aka 10base5.
Ring Topology
Isochronous Communication Processes
5. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
Digital Subscriber Line (DSL)
IPSec
Frequency Hopping Spread Spectrum (FHSS)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
6. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
Classless inter-domain routing (CIDR)
Plenum-rated Cables
Simplex: One direction.
FDDI-2
7. 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.
Dedicated Links
Synchronous Communication
Switched Virtual Circuit (SVC)
Cable Modem
8. 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-
Reverse Address Resolution Protocol (RARP )
Commonly used in logical bus - Ethernet - token ring.
Wired Equivalent Privacy (WEP)
Frequency Hopping Spread Spectrum (FHSS)
9. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
Shared Key Authentication (SKA)
Tree Topology
Crosstalk
Bluejacking
10. 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.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Simplex: One direction.
Multi-protocol Label Switching
Plenum-rated Cables
11. This network technology determines which system will send data based on which one has the token.
Token Passing
802.16
T3
Direct Sequence Spread Spectrum (DSSS)
12. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
Application Proxy Firewall
OSI Data encapsulation
Synchronous Data Link Control (SDLC)
10baseT
13. 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
Carrier sense multiple access with collision detection (CSMA/CD)
Digital Subscriber Line (DSL)
14. Communication devices that determine synchronization scheme before data transmission.
Synchronous Communication
ThickNet - aka 10base5.
Packet Filtering Firewall
Kernel Proxy Firewall
15. 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.
Wired Equivalent Privacy (WEP)
Packet Filtering Firewall
Remote Access Servers
X.25
16. Application layer request/response protocol widely used for VoIP communication sessions. Transported by UDP - makes use of TCP - and is vulnerable to sniffing attacks.
Commonly used in logical bus - Ethernet - token ring.
Synchronous Data Link Control (SDLC)
Application Proxy vs. Circuit Level
Session Initiation Protocol (SIP)
17. 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).
Definition of Protocol
Shared Key Authentication (SKA)
Channel Service Unit/Data Service Unit (CSU/DSU)
Committed Information Rate (CIR)
18. Wireless communication that distributes individual signals across the allocated frequencies.
OSI Layer 2: Data Link Layer
Star Topology
Packet Filtering Firewall
Spread Spectrum
19. 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.
Packet Filtering Firewall
OSI Layer 7: Application
Distributed Environment Challenge
Circuit Level Proxy Firewall
20. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
DNS (Domain Name System)
Carrier sense multiple access with collision detection (CSMA/CD)
802.11b
Loki Attack
21. 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.
Temporal Key Integrity Protocol (TKIP)
802.15
Dedicated Links
Metropolitan Area Network (MAN)
22. 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.
Noise
Fiber-optic Cables
Dedicated Links
Carrier sense multiple access with collision detection (CSMA/CD)
23. 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.
Router
T3
Asynchronous Communication
Tree Topology
24. 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.
Commonly used in logical bus - Ethernet - token ring.
CBC-MAC Protocol (CCMP)
Digital Subscriber Line (DSL)
OSI Layer 3: Network Layer
25. Type of LAN and MAN technology - usually used for backbones - that uses token-passing technology and has redundant rings in case the primary ring goes down.
Committed Information Rate (CIR)
802.16
OSI Layer 5: Session Layer
Fiber Distributed Data Interface (FDDI)
26. 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
ThinNet - aka 10base2
Twisted Pair Cables
DNS (Domain Name System)
27. A technique that allows multiple layers of nesting. Example - IPSec tunnel can originate or terminate at a different IPSec site along the way.
Synchronous Optical Networks (SONETS)
Trunk Lines
OSI Layer 5: Session Layer
Iterated Association
28. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
Service Set ID (SSID)
Shared Key Authentication (SKA)
Circuit Switching
Committed Information Rate (CIR)
29. Spam over IM
OSI Data encapsulation
SPIM
802.16
Blue Boxing
30. Type of firewall that can be compromised if the OS does not have packet forwarding or routing turned off.
Pulse Code Modulation (PCM)
Dual-Homed Firewall
Frame Relay
10baseT
31. Type of wireless security standard that uses AES in CBC mode.
CBC-MAC Protocol (CCMP)
Distributed Environment Challenge
Iterated Association
Temporal Key Integrity Protocol (TKIP)
32. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
802.11i
Asynchronous Transfer Mode (ATM)
Blue Boxing
Noise
33. 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.
ThickNet - aka 10base5.
Extensible Authentication Protocol (EAP)
Blue Boxing
Open System Authentication (OSA)
34. 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
Coaxial Cables
Synchronous Data Link Control (SDLC)
Half-Duplex
35. Protocol that increases address size from 32 bits to 128 bits
High Level Data Link Control (HLDC)
Switch
IPv6
Definition of Protocol
36. The well known values range from 0-1023. FTP runs on 20 and 21 - SMTP runs on 25 - TFTP runs on 69 - DNS runs on 53 - HTTP runs on 80 - HTTPS runs on 443 - SNMP runs on 161.
Port Numbers
Reverse Address Resolution Protocol (RARP )
Temporal Key Integrity Protocol (TKIP)
T1
37. Altering an ARP table so an IP address is mapped to a different MAC address. Results in traffic being routed to an attacker's computer.
Spam over Internet Telephony (SPIT)
SOCKS Firewall
VoIP
ARP Poisoning
38. 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.
Integrated Services Digital Network (ISDN)
IPSec
802.15
X.25
39. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
Ethernet (802.3)
OSI Layer 7: Application
802.11b
Packet Filtering Firewall
40. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
Dedicated Links
ThinNet - aka 10base2
10baseT
Digital Subscriber Line (DSL)
41. 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.
Stateful Firewall
Open System Authentication (OSA)
Bridge
Open Relay
42. Faster because processing is done in the kernel. One network stack is created for each packet. 5th generation firewall - runs at the application layer.
Loki Attack
Full-Duplex
Distributed Environment Challenge
Kernel Proxy Firewall
43. 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)
802.11a
OSI Data encapsulation
Application Proxy Firewall
44. VPN protocol that works at the network layer - handles multiple connections - provides secure authentication and encryption. Tunnel mode option (payload and header encrypted) - or transport mode (only payload is encrypted).
IPSec
DOS attacks from flooding
Twisted Pair Cables
Permanent Virtual Circuit (PVC)
45. 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
DNS (Domain Name System)
Kernel Proxy Firewall
Commonly used in logical bus - Ethernet - token ring.
Synchronous Data Link Control (SDLC)
46. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
Frame Relay
IPSec
T3
Synchronous Optical Networks (SONETS)
47. Type of network layout that separates and group computers logically.
Packet Switching
Network Address Translator (NAT)
ARP (Address Resolution Protocol)
VLAN
48. 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.
Wireless Application Protocol (WAP)
Direct Sequence Spread Spectrum (DSSS)
Serial Line Internet Protocol (SLIP)
Carrier sense multiple access with collision detection (CSMA/CD)
49. 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.
Reverse Address Resolution Protocol (RARP )
IPv6
Kernel Proxy Firewall
Isochronous Communication Processes
50. 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 System Authentication (OSA)
Bastion Host
Private Branch Exchange (PBX)
Kernel Proxy Firewall