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Test your basic knowledge |
CISSP Telecom And Network Security
Start Test
Study First
Subjects
:
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. 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.
Temporal Key Integrity Protocol (TKIP)
Application Proxy Firewall
OSI Data encapsulation
OSI Layer 5: Session Layer
2. Protocol for allowing multi-cast (one to many) communication
Iterated Association
Token Ring (802.5)
Temporal Key Integrity Protocol (TKIP)
IGMP
3. Protocol that translates IP address into a MAC address (physical Ethernet address)
ARP (Address Resolution Protocol)
Attenuation
Port Numbers
Frequency Hopping Spread Spectrum (FHSS)
4. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
Serial Line Internet Protocol (SLIP)
DOS attacks from flooding
OSI Layer 7: Application
Classless inter-domain routing (CIDR)
5. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Star Topology
Switched Virtual Circuit (SVC)
Challenge Handshake Authentication Protocol (CHAP)
Service Set ID (SSID)
6. 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.
OSI Layer 3: Network Layer
Source Routing
IPv6
Private Branch Exchange (PBX)
7. 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.
Challenge Handshake Authentication Protocol (CHAP)
OSI Layer 6: Presentation
Digital Subscriber Line (DSL)
IPSec
8. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Blue Boxing
Circuit Level Proxy Firewall
Open System Authentication (OSA)
Wide Area Network (WAN)
9. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
IGMP
802.11i
OSI Layer 1: Physical
Permanent Virtual Circuit (PVC)
10. In a token ring network - each computer is connected to this - which acts as a central hub.
Spam over Internet Telephony (SPIT)
Token Ring (802.5)
Multistation Access Unit (MAU)
Dedicated Links
11. Type of host that is locked down - hardened - system. Systems installed in the DMZ (firewalls - servers) should be installed on this type of host.
OSI Layer 6: Presentation
Switched Virtual Circuit (SVC)
Bastion Host
Multilevel Switching
12. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Attenuation
Temporal Key Integrity Protocol (TKIP)
Multilevel Switching
Serial Line Internet Protocol (SLIP)
13. Dynamically builds ACL's to allow internal systems to communicate with external systems. Once the connection is finished - the ACL is removed from the list. 4th generation firewall.
Dynamic Packet Filtering
Packet Filtering Firewall
ThinNet - aka 10base2
Port Numbers
14. 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.
Shared Key Authentication (SKA)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Dynamic Packet Filtering
High Level Data Link Control (HLDC)
15. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
Bridge
Iterated Association
10baseT
OSI Layer 6: Presentation
16. The original technique to digitized voice with 8 bits of sampling 8 -000 times per second - which yields 64 Kbps for one voice channel.
Distributed Environment Challenge
802.15
Pulse Code Modulation (PCM)
Switch
17. Set of rules that dictates how computer communicate over networks.
Cable Modem
ARP (Address Resolution Protocol)
Definition of Protocol
Proxy Firewall
18. Wireless communication that applies sub-bits to a message (chips) and the receiver uses the chips to re-assemble the message based on the chipping code. It uses all available bandwidth - high throughput of 11Mbps.
Direct Sequence Spread Spectrum (DSSS)
Network Address Translator (NAT)
Private Branch Exchange (PBX)
X.25
19. Protocol that increases address size from 32 bits to 128 bits
Coaxial Cables
Simplex: One direction.
IPv6
Repeaters
20. 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.
Source Routing
CBC-MAC Protocol (CCMP)
SPIM
Application Proxy Firewall
21. 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.
Bastion Host
Crosstalk
Digital Subscriber Line (DSL)
Noise
22. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
ThickNet - aka 10base5.
Frame Relay
Full-Duplex
Carrier sense multiple access with collision detection (CSMA/CD)
23. Type of network that allows large IP ranges to be divided into smaller - logical - and easier to maintain network segments.
Subnetting
Plenum-rated Cables
Multi-protocol Label Switching
Challenge Handshake Authentication Protocol (CHAP)
24. 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.
Synchronous Data Link Control (SDLC)
Dedicated Links
Packet Switching
ARP (Address Resolution Protocol)
25. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Subnetting
Remote Access Servers
ThinNet - aka 10base2
Proxy Firewall Strengths
26. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Remote Access Servers
Circuit Switching
Noise
ThickNet - aka 10base5.
27. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
Source Routing
Synchronous Data Link Control (SDLC)
Wireless Application Protocol (WAP)
ThinNet - aka 10base2
28. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
Shared Key Authentication (SKA)
802.16
Wide Area Network (WAN)
FDDI-2
29. Standard that outlines wireless personal area network (WPAN) technologies.
Plenum-rated Cables
Trunk Lines
Star Topology
802.15
30. 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.
Star Topology
Application Proxy vs. Circuit Level
Stateful Firewall
Fiber Distributed Data Interface (FDDI)
31. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.
UDP
High Level Data Link Control (HLDC)
VoIP
Switch
32. Type of network layout that is a large geographical region connecting more that one LAN.
OSI Data encapsulation
Wide Area Network (WAN)
T3
Ring Topology
33. 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.
10baseT
Tree Topology
Frequency Hopping Spread Spectrum (FHSS)
Circuit Level Proxy Firewall
34. 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)
X.25
ThickNet - aka 10base5.
Plenum-rated Cables
35. 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)
Distributed Environment Challenge
Bastion Host
Source Routing
36. 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.
OSI Layer 6: Presentation
IGMP
Asynchronous Transfer Mode (ATM)
Commonly used in Ethernet.
37. 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).
OSI Layer 1: Physical
Channel Service Unit/Data Service Unit (CSU/DSU)
Direct Sequence Spread Spectrum (DSSS)
Asynchronous Communication
38. 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.
Network Address Translator (NAT)
OSI Layer 5: Session Layer
OSI Layer 2: Data Link Layer
39. 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
Circuit Switching
Reverse Address Resolution Protocol (RARP )
40. In the OSI layer 5 - these are the types of what?
OSI Layer 6: Presentation
Star Topology
Simplex: One direction.
Screened Sub-Net
41. 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.
Open System Authentication (OSA)
Open Relay
Source Routing
Fiber-optic Cables
42. This network technology determines which system will send data based on which one has the token.
Bus Topology
Dynamic Packet Filtering
Token Passing
TCP
43. OSI layer that provides physical connections for transmission and performs the electrical encoding of data. This layer transforms bits to electrical signals. Protocols at this level HSSI (High Speed Serial Interface) - X.21 - EIA/TIA 232 and 449.
LLC (Logical Link Control - 802.2)
OSI Layer 1: Physical
Port Numbers
Loki Attack
44. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
DNS (Domain Name System)
Frame Relay
Password Authentication Protocol (PAP)
Ethernet (802.3)
45. 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.
Synchronous Optical Networks (SONETS)
Spam over Internet Telephony (SPIT)
Packet Filtering Firewall
Loki Attack
46. 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.
Frame Relay
Ethernet (802.3)
Commonly used in Internet.
T1
47. 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)
ThinNet - aka 10base2
LLC (Logical Link Control - 802.2)
Tree Topology
48. 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.
Bluejacking
Metropolitan Area Network (MAN)
Virtual Private Network (VPN)
49. A packet switching technology that is used by telecommunication services for data-only traffic. It is a subscriber based service that operates within the network and data link layers.
Router
VoIP
Spam over Internet Telephony (SPIT)
X.25
50. Standard that addresses wireless MAN technologies.
T1
Commonly used in logical bus - Ethernet - token ring.
802.16
Open System Authentication (OSA)