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CISSP Telecom And Network Security
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cissp
Instructions:
Answer 50 questions in 15 minutes.
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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. 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.
802.11
IPSec
Token Ring (802.5)
Packet Filtering Firewall
2. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
Spread Spectrum
Circuit Level Proxy Firewall
Frame Relay
Packet Filtering Firewall
3. 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.
Switched Virtual Circuit (SVC)
Bridge
OSI Data encapsulation
FDDI-2
4. 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).
Metropolitan Area Network (MAN)
Half-Duplex
Channel Service Unit/Data Service Unit (CSU/DSU)
Packet Filtering Firewall
5. Type of wireless security standard that uses AES in CBC mode.
Serial Line Internet Protocol (SLIP)
Port Numbers
CBC-MAC Protocol (CCMP)
IPv6
6. 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
Extensible Authentication Protocol (EAP)
Session Initiation Protocol (SIP)
CBC-MAC Protocol (CCMP)
Ethernet (802.3)
7. 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.
Direct Sequence Spread Spectrum (DSSS)
Remote Access Servers
OSI Layer 4: Transport Layer
DOS attacks from flooding
8. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Challenge Handshake Authentication Protocol (CHAP)
Screened Sub-Net
UDP
Blue Boxing
9. Both directions - both applications can send information at a time. Session Layer Communication Modes
Packet Filtering Firewall
Temporal Key Integrity Protocol (TKIP)
Kernel Proxy Firewall
Full-Duplex
10. Network segment name for a DMZ created by two physical firewalls.
Distributed Environment Challenge
Challenge Handshake Authentication Protocol (CHAP)
Crosstalk
Screened Sub-Net
11. 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.
802.11b
OSI Layer 2: Data Link Layer
Stateful Firewall
Frame Relay
12. 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.
OSI Layer 6: Presentation
Ethernet (802.3)
OSI Layer 7: Application
Tree Topology
13. 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.
Channel Service Unit/Data Service Unit (CSU/DSU)
Asynchronous Transfer Mode (ATM)
Coaxial Cables
Layers in the OSI Model
14. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
DNS (Domain Name System)
Point-To-Point Tunneling Protocol (PPTP)
ARP Poisoning
Cable Modem
15. Protocol that translates a MAC address into an IP address.
Reverse Address Resolution Protocol (RARP )
ThickNet - aka 10base5.
Circuit Level Proxy Firewall
IPv6
16. An older protocol that was used by ISP's to encapsulate data to be sent over dial up connections
OSI Layer 1: Physical
Proxy Firewall
Serial Line Internet Protocol (SLIP)
VoIP
17. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
Service Set ID (SSID)
Layers in the TCP/IP Model
T3
802.11b
18. Faster because processing is done in the kernel. One network stack is created for each packet. 5th generation firewall - runs at the application layer.
Kernel Proxy Firewall
Coaxial Cables
Frame Relay
Screened Sub-Net
19. Type of topology that Uses linear single cable for all computers attached. All traffic travels full cable and can be viewed by all other computers.
VLAN
T1
Commonly used in Ethernet.
Multistation Access Unit (MAU)
20. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
Session Initiation Protocol (SIP)
Remote Access Servers
Crosstalk
Point-To-Point (PPP)
21. Standard that addresses wireless MAN technologies.
802.11
802.16
Layers in the OSI Model
Crosstalk
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.
Application Proxy vs. Circuit Level
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Distributed Environment Challenge
Application Proxy Firewall
23. 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
Screened Host Firewall
Integrated Services Digital Network (ISDN)
IPSec
Private Branch Exchange (PBX)
24. OSI layer that has services and protocols required by the user's applications for network functionality. Example protocols include HTTP - SMTP - FTP - Telnet.
OSI Layer 7: Application
CBC-MAC Protocol (CCMP)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
IPSec
25. Both directions - only one application can send information at a time
Packet Filtering Firewall
Commonly used in FDDI.
Half-Duplex
Bluejacking
26. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
Circuit Switching
Switched Virtual Circuit (SVC)
Proxy Firewall
Commonly used in Internet.
27. Type of cabling problem signals from one wire crossing over to another wire.
Ethernet (802.3)
Crosstalk
DNS (Domain Name System)
Tree Topology
28. 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.
IPSec
Source Routing
X.25
Temporal Key Integrity Protocol (TKIP)
29. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
OSI Layer 7: Application
802.16
Wired Equivalent Privacy (WEP)
Commonly used in logical bus - Ethernet - token ring.
30. Protocol that translates IP address into a MAC address (physical Ethernet address)
ARP (Address Resolution Protocol)
Reverse Address Resolution Protocol (RARP )
OSI Layer 4: Transport Layer
Open System Authentication (OSA)
31. 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.
Commonly used in FDDI.
Commonly used in Internet.
Metropolitan Area Network (MAN)
Wireless Application Protocol (WAP)
32. 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.
LLC (Logical Link Control - 802.2)
DNS (Domain Name System)
Integrated Services Digital Network (ISDN)
OSI Layer 3: Network Layer
33. 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.
Isochronous Communication Processes
Reverse Address Resolution Protocol (RARP )
Cable Modem
Plenum-rated Cables
34. 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
Trunk Lines
Committed Information Rate (CIR)
OSI Layer 2: Data Link Layer
Subnetting
35. 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.
IPv6
Frame Relay
Dual-Homed Firewall
Stateful Firewall
36. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
T3
ARP (Address Resolution Protocol)
Simplex: One direction.
OSI Data encapsulation
37. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
ARP Poisoning
SPIM
Fiber-optic Cables
Bluejacking
38. 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.
DNS (Domain Name System)
Distributed Environment Challenge
Wired Equivalent Privacy (WEP)
Point-To-Point Tunneling Protocol (PPTP)
39. 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.
Subnetting
Repeaters
Multistation Access Unit (MAU)
802.11
40. 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.
Wireless Application Protocol (WAP)
OSI Layer 1: Physical
TCP
Proxy Firewall
41. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Switched Virtual Circuit (SVC)
Blue Boxing
Bastion Host
Multistation Access Unit (MAU)
42. Type of switch that uses tags that are assigned to each destination network. The network compares the tag with its tag information base - appends the appropriate tag - and forwards to the next switch. This increases the transmission speed - allows la
Distributed Environment Challenge
Network Address Translator (NAT)
Multi-protocol Label Switching
Iterated Association
43. 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.
Spam over Internet Telephony (SPIT)
Loki Attack
Coaxial Cables
Packet Filtering Firewall
44. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Distributed Environment Challenge
Frequency Hopping Spread Spectrum (FHSS)
Noise
OSI Layer 2: Data Link Layer
45. 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.
Permanent Virtual Circuit (PVC)
Synchronous Optical Networks (SONETS)
Fiber-optic Cables
Password Authentication Protocol (PAP)
46. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
Fiber-optic Cables
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Crosstalk
Network Address Translator (NAT)
47. Layer 3 - layer 4 - and other layer switches have more enhanced functionality than layer 2 switches. Combines switching and routing technologies - packet inspection - traffic prioritization - and quality of service (QoS).
Dynamic Packet Filtering
Wired Equivalent Privacy (WEP)
Application Proxy Firewall
Multilevel Switching
48. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.
Twisted Pair Cables
Switch
Loki Attack
VoIP
49. Type of topology where computers all are connected to each other - which provides redundancy.
Synchronous Communication
Commonly used in Internet.
SOCKS Firewall
Commonly used in logical bus - Ethernet - token ring.
50. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
Channel Service Unit/Data Service Unit (CSU/DSU)
Frame Relay
Spam over Internet Telephony (SPIT)
10baseT
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