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. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
OSI Layer 3: Network Layer
10baseT
T1
Ring Topology
2. Type of wireless security standard that uses AES in CBC mode.
OSI Data encapsulation
Commonly used in logical bus - Ethernet - token ring.
Bridge
CBC-MAC Protocol (CCMP)
3. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Switched Virtual Circuit (SVC)
Dynamic Packet Filtering
Proxy Firewall
Attenuation
4. Type of firewall that lies between the perimeter router and and LAN.
Router
ARP Poisoning
Open System Authentication (OSA)
Screened Host Firewall
5. Network segment name for a DMZ created by two physical firewalls.
Application Proxy Firewall
Commonly used in Internet.
Screened Sub-Net
Loki Attack
6. 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).
Token Passing
Packet Filtering Firewall
Repeaters
Channel Service Unit/Data Service Unit (CSU/DSU)
7. 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).
Kernel Proxy Firewall
802.15
Proxy Firewall Strengths
Multilevel Switching
8. 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.
Commonly used in logical bus - Ethernet - token ring.
TCP
Synchronous Optical Networks (SONETS)
Asynchronous Communication
9. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Screened Host Firewall
Commonly used in logical bus - Ethernet - token ring.
Shared Key Authentication (SKA)
Frame Relay
10. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
Crosstalk
Network Address Translator (NAT)
Bridge
Full-Duplex
11. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Switch
Twisted Pair Cables
DNS (Domain Name System)
Permanent Virtual Circuit (PVC)
12. 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)
Twisted Pair Cables
Asynchronous Transfer Mode (ATM)
OSI Layer 4: Transport Layer
13. Type of network layout that is a large geographical region connecting more that one LAN.
Dedicated Links
Wide Area Network (WAN)
Twisted Pair Cables
Fiber-optic Cables
14. Security wireless standard that enables data transfers to be encrypted. Static encryption keys among clients - short 40 bit keys - RC4 encryption - ineffective use of 24 bit IV's - and no packet integrity.
Coaxial Cables
Wired Equivalent Privacy (WEP)
SOCKS Firewall
Synchronous Optical Networks (SONETS)
15. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
Ring Topology
IGMP
Metropolitan Area Network (MAN)
Wired Equivalent Privacy (WEP)
16. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
T3
Multi-protocol Label Switching
OSI Layer 5: Session Layer
IPSec
17. An older protocol that was used by ISP's to encapsulate data to be sent over dial up connections
Kernel Proxy Firewall
Serial Line Internet Protocol (SLIP)
Commonly used in Ethernet.
Asynchronous Transfer Mode (ATM)
18. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
Asynchronous Transfer Mode (ATM)
802.11a
Switch
OSI Layer 6: Presentation
19. 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.
Temporal Key Integrity Protocol (TKIP)
Virtual Private Network (VPN)
Metropolitan Area Network (MAN)
ICMP (Internet Control Message Protocol)
20. 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
Packet Switching
Channel Service Unit/Data Service Unit (CSU/DSU)
Multi-protocol Label Switching
DNS (Domain Name System)
21. 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.
Bluejacking
Repeaters
Commonly used in logical bus - Ethernet - token ring.
Integrated Services Digital Network (ISDN)
22. 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.
Digital Subscriber Line (DSL)
Proxy Firewall Strengths
Plenum-rated Cables
Distributed Environment Challenge
23. Protocol that translates IP address into a MAC address (physical Ethernet address)
Blue Boxing
Spread Spectrum
Classless inter-domain routing (CIDR)
ARP (Address Resolution Protocol)
24. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Challenge Handshake Authentication Protocol (CHAP)
Switch
Synchronous Communication
Subnetting
25. Wireless communication that distributes individual signals across the allocated frequencies.
Wireless Application Protocol (WAP)
Spread Spectrum
Synchronous Communication
Channel Service Unit/Data Service Unit (CSU/DSU)
26. 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.
Trunk Lines
OSI Layer 2: Data Link Layer
Repeaters
Bridge
27. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Noise
OSI Layer 4: Transport Layer
IPv6
802.11
28. 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.
Reverse Address Resolution Protocol (RARP )
Extensible Authentication Protocol (EAP)
Router
Commonly used in logical bus - Ethernet - token ring.
29. 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.
Synchronous Communication
Proxy Firewall Strengths
Screened Sub-Net
OSI Layer 1: Physical
30. 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
CBC-MAC Protocol (CCMP)
Carrier sense multiple access with collision detection (CSMA/CD)
Bluejacking
31. Type of host that is locked down - hardened - system. Systems installed in the DMZ (firewalls - servers) should be installed on this type of host.
Frequency Hopping Spread Spectrum (FHSS)
IPSec
Bastion Host
Commonly used in Internet.
32. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'
Layers in the OSI Model
Packet Filtering Firewall
Frame Relay
Synchronous Data Link Control (SDLC)
33. 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.
Session Initiation Protocol (SIP)
OSI Data encapsulation
Bridge
Pulse Code Modulation (PCM)
34. 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.
ARP Poisoning
Mesh Topology
IPv6
Commonly used in FDDI.
35. 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.
Subnetting
Temporal Key Integrity Protocol (TKIP)
Remote Access Servers
OSI Layer 5: Session Layer
36. 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.
Dedicated Links
Multi-protocol Label Switching
ThinNet - aka 10base2
Switched Virtual Circuit (SVC)
37. OSI layer 2 Sub-layers. The first provides a standard interface for the network protocol being used. The second provides a standard interface for the physical layer protocol being used.
Bridge
LLC (Logical Link Control - 802.2)
802.11a
Port Numbers
38. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
ThinNet - aka 10base2
Commonly used in Ethernet.
Twisted Pair Cables
Packet Filtering Firewall
39. 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.
Multi-protocol Label Switching
Ring Topology
Frame Relay
Packet Switching
40. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same cable.
Subnetting
Screened Host Firewall
Ethernet (802.3)
Bus Topology
41. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
Asynchronous Communication
Bluejacking
Commonly used in FDDI.
Multi-protocol Label Switching
42. 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.
High Level Data Link Control (HLDC)
ARP (Address Resolution Protocol)
Reverse Address Resolution Protocol (RARP )
IPv6
43. 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
Switch
Crosstalk
Channel Service Unit/Data Service Unit (CSU/DSU)
Bus Topology
44. New variant to traditional email spam on VoIP networks.
Spam over Internet Telephony (SPIT)
Frame Relay
Open System Authentication (OSA)
Commonly used in logical bus - Ethernet - token ring.
45. 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.
Dual-Homed Firewall
Frame Relay
802.15
LLC (Logical Link Control - 802.2)
46. SMTP server that is configured for sending email from any source to and destination.
Commonly used in Internet.
Reverse Address Resolution Protocol (RARP )
OSI Layer 3: Network Layer
Open Relay
47. 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.
Ring Topology
Open System Authentication (OSA)
Dynamic Packet Filtering
802.16
48. 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
OSI Layer 6: Presentation
X.25
Attenuation
Extensible Authentication Protocol (EAP)
49. Both directions - only one application can send information at a time
Kernel Proxy Firewall
Twisted Pair Cables
Half-Duplex
Multilevel Switching
50. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
CBC-MAC Protocol (CCMP)
Carrier sense multiple access with collision detection (CSMA/CD)
Switched Virtual Circuit (SVC)
Metropolitan Area Network (MAN)