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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. 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.
Direct Sequence Spread Spectrum (DSSS)
ARP Poisoning
Private Branch Exchange (PBX)
Blue Boxing
2. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
Serial Line Internet Protocol (SLIP)
Password Authentication Protocol (PAP)
Commonly used in Internet.
Ring Topology
3. In a token ring network - each computer is connected to this - which acts as a central hub.
VLAN
Spread Spectrum
Multistation Access Unit (MAU)
Integrated Services Digital Network (ISDN)
4. 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.
Carrier sense multiple access with collision detection (CSMA/CD)
Password Authentication Protocol (PAP)
Dynamic Packet Filtering
Switched Virtual Circuit (SVC)
5. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Permanent Virtual Circuit (PVC)
Blue Boxing
OSI Layer 2: Data Link Layer
Stateful Firewall
6. 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.
Permanent Virtual Circuit (PVC)
High Level Data Link Control (HLDC)
Open Relay
DNS (Domain Name System)
7. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Network Address Translator (NAT)
Stateful Firewall
Proxy Firewall
Challenge Handshake Authentication Protocol (CHAP)
8. Type of network layout that separates and group computers logically.
Dual-Homed Firewall
VLAN
Circuit Switching
Subnetting
9. Identifys a WLAN. Can be used to segment environments into different WLANS.
Star Topology
DOS attacks from flooding
Serial Line Internet Protocol (SLIP)
Service Set ID (SSID)
10. An older protocol that was used by ISP's to encapsulate data to be sent over dial up connections
Serial Line Internet Protocol (SLIP)
Crosstalk
Proxy Firewall
Circuit Switching
11. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
VLAN
802.15
Packet Filtering Firewall
Spread Spectrum
12. 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.
Bridge
ThickNet - aka 10base5.
Serial Line Internet Protocol (SLIP)
Metropolitan Area Network (MAN)
13. OSI layer that has services and protocols required by the user's applications for network functionality. Example protocols include HTTP - SMTP - FTP - Telnet.
Bluejacking
Private Branch Exchange (PBX)
Synchronous Communication
OSI Layer 7: Application
14. 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.
Asynchronous Communication
Point-To-Point Tunneling Protocol (PPTP)
Stateful Firewall
Extensible Authentication Protocol (EAP)
15. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
ThinNet - aka 10base2
Wired Equivalent Privacy (WEP)
Classless inter-domain routing (CIDR)
IGMP
16. 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.
Synchronous Data Link Control (SDLC)
Layer 2 Tunneling Protocol (L2TP)
Source Routing
SPIM
17. 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
802.11
TCP
Extensible Authentication Protocol (EAP)
Token Passing
18. Communication devices that are not synchronized - meaning all devices can send data at will - send a sequence of bits framed with a start and stop bit.
Commonly used in Internet.
OSI Data encapsulation
Asynchronous Communication
OSI Layer 5: Session Layer
19. Wireless standard that will improve security of wireless communication
OSI Layer 4: Transport Layer
Switch
Service Set ID (SSID)
802.11i
20. 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.
Plenum-rated Cables
Definition of Protocol
Wireless Application Protocol (WAP)
Dynamic Packet Filtering
21. 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.
Application Proxy vs. Circuit Level
Wide Area Network (WAN)
Crosstalk
Application Proxy Firewall
22. Type of topology where computers all are connected to each other - which provides redundancy.
Commonly used in Internet.
Permanent Virtual Circuit (PVC)
Password Authentication Protocol (PAP)
Bridge
23. 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.
DOS attacks from flooding
802.16
Isochronous Communication Processes
Application Proxy vs. Circuit Level
24. 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
Bluejacking
FDDI-2
Cable Modem
25. 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.
Wired Equivalent Privacy (WEP)
802.11a
OSI Layer 1: Physical
Packet Switching
26. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Session Initiation Protocol (SIP)
Commonly used in logical bus - Ethernet - token ring.
Isochronous Communication Processes
Stateful Firewall
27. Protocol for allowing multi-cast (one to many) communication
Multi-protocol Label Switching
Frequency Hopping Spread Spectrum (FHSS)
Ring Topology
IGMP
28. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Noise
ARP (Address Resolution Protocol)
Layer 2 Tunneling Protocol (L2TP)
Dynamic Packet Filtering
29. Type of topology that uses a bus that does not have a one linear cable - but instead uses branches of cables. Commonly used in Ethernet.
Tree Topology
ThickNet - aka 10base5.
Commonly used in logical bus - Ethernet - token ring.
Layer 2 Tunneling Protocol (L2TP)
30. A technique that allows multiple layers of nesting. Example - IPSec tunnel can originate or terminate at a different IPSec site along the way.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Iterated Association
Packet Switching
Temporal Key Integrity Protocol (TKIP)
31. Standard that outlines wireless personal area network (WPAN) technologies.
802.15
Private Branch Exchange (PBX)
Temporal Key Integrity Protocol (TKIP)
Network Address Translator (NAT)
32. 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)
Spam over Internet Telephony (SPIT)
Switched Virtual Circuit (SVC)
OSI Layer 2: Data Link Layer
33. Both directions - only one application can send information at a time
Half-Duplex
Switched Virtual Circuit (SVC)
Ring Topology
Token Passing
34. 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.
Circuit Switching
Star Topology
Router
Half-Duplex
35. 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.
Tree Topology
DOS attacks from flooding
Repeaters
Application Proxy Firewall
36. 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
Twisted Pair Cables
Multistation Access Unit (MAU)
Channel Service Unit/Data Service Unit (CSU/DSU)
OSI Layer 2: Data Link Layer
37. 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.
802.11b
LLC (Logical Link Control - 802.2)
Extensible Authentication Protocol (EAP)
Integrated Services Digital Network (ISDN)
38. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same cable.
Classless inter-domain routing (CIDR)
Bus Topology
Challenge Handshake Authentication Protocol (CHAP)
Application Proxy vs. Circuit Level
39. Both directions - both applications can send information at a time. Session Layer Communication Modes
Full-Duplex
Crosstalk
ThinNet - aka 10base2
Committed Information Rate (CIR)
40. OSI layer that provides end to end transmission between computer systems. Protocols that use this layer are TCP (Transmission Control Protocol) - UDP (User Datagram Protocol) - SPX (Sequenced Packet Exchange) - and SSL.
OSI Layer 4: Transport Layer
Trunk Lines
OSI Data encapsulation
OSI Layer 3: Network Layer
41. Protocol that translates a MAC address into an IP address.
Reverse Address Resolution Protocol (RARP )
Bridge
Layers in the TCP/IP Model
High Level Data Link Control (HLDC)
42. 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.
FDDI-2
802.16
X.25
VoIP
43. 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.
Open System Authentication (OSA)
Layer 2 Tunneling Protocol (L2TP)
Star Topology
Commonly used in Ethernet.
44. Standard that addresses wireless MAN technologies.
TCP
802.16
Frame Relay
Frequency Hopping Spread Spectrum (FHSS)
45. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
Full-Duplex
Star Topology
Repeaters
Point-To-Point (PPP)
46. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
Remote Access Servers
DNS (Domain Name System)
TCP
Fiber Distributed Data Interface (FDDI)
47. 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.
Shared Key Authentication (SKA)
Carrier sense multiple access with collision detection (CSMA/CD)
OSI Layer 5: Session Layer
Packet Switching
48. Type of network device that divides networks into more controllable segments to ensure more efficient use of bandwidth. Works at the data link layer and understands MAC addresses - not IP addresses.
Trunk Lines
Bridge
Dual-Homed Firewall
Full-Duplex
49. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
Frame Relay
Session Initiation Protocol (SIP)
Port Numbers
Shared Key Authentication (SKA)
50. 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.
Stateful Firewall
802.11a
ARP (Address Resolution Protocol)
OSI Data encapsulation