SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Screened Host Firewall
Simplex: One direction.
Dedicated Links
Coaxial Cables
2. 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.
ThickNet - aka 10base5.
Layer 2 Tunneling Protocol (L2TP)
Point-To-Point Tunneling Protocol (PPTP)
Source Routing
3. 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.
Carrier sense multiple access with collision detection (CSMA/CD)
Fiber-optic Cables
Circuit Level Proxy Firewall
Synchronous Communication
4. Both directions - only one application can send information at a time
Half-Duplex
Metropolitan Area Network (MAN)
Asynchronous Transfer Mode (ATM)
Definition of Protocol
5. Wireless standard that will improve security of wireless communication
Noise
802.11i
Multistation Access Unit (MAU)
Spread Spectrum
6. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
Star Topology
802.11
Router
T3
7. 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.
Asynchronous Communication
Asynchronous Transfer Mode (ATM)
OSI Data encapsulation
Session Initiation Protocol (SIP)
8. 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
Bastion Host
Integrated Services Digital Network (ISDN)
Multi-protocol Label Switching
T1
9. Type of network that allows large IP ranges to be divided into smaller - logical - and easier to maintain network segments.
OSI Layer 1: Physical
Proxy Firewall
Trunk Lines
Subnetting
10. More complexity and drastically increases the difficultly of access control. Many different devices - services - and users make it difficult to know which entities to trust and to what degree.
OSI Layer 3: Network Layer
Spam over Internet Telephony (SPIT)
Distributed Environment Challenge
OSI Layer 4: Transport Layer
11. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.
Dual-Homed Firewall
Multi-protocol Label Switching
VoIP
Circuit Switching
12. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.
OSI Layer 5: Session Layer
Committed Information Rate (CIR)
Pulse Code Modulation (PCM)
Synchronous Data Link Control (SDLC)
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.
Token Ring (802.5)
OSI Layer 1: Physical
Frequency Hopping Spread Spectrum (FHSS)
Dynamic Packet Filtering
14. Type of network layout that separates and group computers logically.
802.16
VLAN
OSI Layer 5: Session Layer
Fiber-optic Cables
15. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
802.11a
Reverse Address Resolution Protocol (RARP )
Synchronous Optical Networks (SONETS)
Frame Relay
16. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.
Password Authentication Protocol (PAP)
Proxy Firewall Strengths
Kernel Proxy Firewall
CBC-MAC Protocol (CCMP)
17. Protocol that translates IP address into a MAC address (physical Ethernet address)
Direct Sequence Spread Spectrum (DSSS)
Synchronous Communication
Network Address Translator (NAT)
ARP (Address Resolution Protocol)
18. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Layers in the OSI Model
Asynchronous Communication
ICMP (Internet Control Message Protocol)
Remote Access Servers
19. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
Stateful Firewall
Screened Sub-Net
OSI Layer 1: Physical
Classless inter-domain routing (CIDR)
20. 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)
Application Proxy Firewall
Committed Information Rate (CIR)
Remote Access Servers
21. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
Shared Key Authentication (SKA)
Committed Information Rate (CIR)
SOCKS Firewall
Simplex: One direction.
22. New variant to traditional email spam on VoIP networks.
Ethernet (802.3)
Spam over Internet Telephony (SPIT)
Spread Spectrum
OSI Layer 2: Data Link Layer
23. Type of firewall that lies between the perimeter router and and LAN.
ThickNet - aka 10base5.
Screened Host Firewall
Channel Service Unit/Data Service Unit (CSU/DSU)
Crosstalk
24. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
Shared Key Authentication (SKA)
FDDI-2
Layer 2 Tunneling Protocol (L2TP)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
25. Security wireless standard that rotates encryption keys - stronger IV values - MAC codes for packet integrity. Works in combination with WEP.
Temporal Key Integrity Protocol (TKIP)
LLC (Logical Link Control - 802.2)
Subnetting
Wireless Application Protocol (WAP)
26. This network technology determines which system will send data based on which one has the token.
Token Passing
Attenuation
Point-To-Point (PPP)
Pulse Code Modulation (PCM)
27. 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.
Reverse Address Resolution Protocol (RARP )
Cable Modem
Token Ring (802.5)
Application Proxy vs. Circuit Level
28. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
Direct Sequence Spread Spectrum (DSSS)
Synchronous Optical Networks (SONETS)
TCP
Bridge
29. 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.
Asynchronous Communication
Repeaters
Pulse Code Modulation (PCM)
Permanent Virtual Circuit (PVC)
30. 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.
OSI Layer 4: Transport Layer
Blue Boxing
X.25
OSI Layer 2: Data Link Layer
31. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
Pulse Code Modulation (PCM)
Switched Virtual Circuit (SVC)
Router
T1
32. 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.
802.11b
OSI Layer 5: Session Layer
Spam over Internet Telephony (SPIT)
Integrated Services Digital Network (ISDN)
33. 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.
Frame Relay
Source Routing
Pulse Code Modulation (PCM)
802.11b
34. 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-
Temporal Key Integrity Protocol (TKIP)
ThinNet - aka 10base2
OSI Layer 3: Network Layer
Frequency Hopping Spread Spectrum (FHSS)
35. 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.
T3
Synchronous Optical Networks (SONETS)
Fiber Distributed Data Interface (FDDI)
Application Proxy Firewall
36. The original technique to digitized voice with 8 bits of sampling 8 -000 times per second - which yields 64 Kbps for one voice channel.
Pulse Code Modulation (PCM)
Extensible Authentication Protocol (EAP)
Frame Relay
ThinNet - aka 10base2
37. 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.
Service Set ID (SSID)
Open System Authentication (OSA)
Simplex: One direction.
802.11a
38. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
Subnetting
Commonly used in FDDI.
VoIP
Wide Area Network (WAN)
39. 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.
OSI Layer 6: Presentation
Full-Duplex
Spam over Internet Telephony (SPIT)
Multi-protocol Label Switching
40. 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
Dynamic Packet Filtering
Extensible Authentication Protocol (EAP)
Packet Filtering Firewall
Coaxial Cables
41. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
Spam over Internet Telephony (SPIT)
Point-To-Point (PPP)
Router
Commonly used in Ethernet.
42. 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
Password Authentication Protocol (PAP)
802.11b
Synchronous Data Link Control (SDLC)
Multi-protocol Label Switching
43. 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
Full-Duplex
Private Branch Exchange (PBX)
Wired Equivalent Privacy (WEP)
High Level Data Link Control (HLDC)
44. Network where a dedicated virtual link is not set up - and packets can use many different dynamic paths to get to the same destination. This causes variable delays. Examples are frame relay and X.25
Attenuation
Packet Switching
Trunk Lines
Token Ring (802.5)
45. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same cable.
Bus Topology
Cable Modem
LLC (Logical Link Control - 802.2)
IPv6
46. 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.
Packet Filtering Firewall
Committed Information Rate (CIR)
Dual-Homed Firewall
Remote Access Servers
47. This is a standard for fiber-optic cabling and uses self-healing network rings. This standard describes the interfaces that can be used over fiber lines and the signaling that can be employed. Works at the physical layer of the OSI model.
Classless inter-domain routing (CIDR)
IPv6
Dynamic Packet Filtering
Synchronous Optical Networks (SONETS)
48. 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).
10baseT
Circuit Level Proxy Firewall
IPSec
Attenuation
49. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
Bluejacking
TCP
Dynamic Packet Filtering
FDDI-2
50. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
802.11b
Session Initiation Protocol (SIP)
SOCKS Firewall
Shared Key Authentication (SKA)