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. SMTP server that is configured for sending email from any source to and destination.
Point-To-Point Tunneling Protocol (PPTP)
Open Relay
Token Ring (802.5)
ThickNet - aka 10base5.
2. 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.
802.15
Iterated Association
Asynchronous Transfer Mode (ATM)
Extensible Authentication Protocol (EAP)
3. 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.
Service Set ID (SSID)
Tree Topology
Digital Subscriber Line (DSL)
Screened Sub-Net
4. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
802.11i
Wireless Application Protocol (WAP)
Commonly used in logical bus - Ethernet - token ring.
802.15
5. 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.
Circuit Level Proxy Firewall
IGMP
LLC (Logical Link Control - 802.2)
Switched Virtual Circuit (SVC)
6. 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)
X.25
Pulse Code Modulation (PCM)
Frequency Hopping Spread Spectrum (FHSS)
7. 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.
Noise
Virtual Private Network (VPN)
Wireless Application Protocol (WAP)
Packet Filtering Firewall
8. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
Service Set ID (SSID)
Network Address Translator (NAT)
802.16
Point-To-Point (PPP)
9. 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.
Circuit Switching
Crosstalk
Packet Filtering Firewall
Fiber Distributed Data Interface (FDDI)
10. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same cable.
Session Initiation Protocol (SIP)
Coaxial Cables
Subnetting
Bus Topology
11. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
Attenuation
10baseT
LLC (Logical Link Control - 802.2)
UDP
12. 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)
Commonly used in logical bus - Ethernet - token ring.
Synchronous Optical Networks (SONETS)
802.11a
13. The original technique to digitized voice with 8 bits of sampling 8 -000 times per second - which yields 64 Kbps for one voice channel.
FDDI-2
Asynchronous Communication
Pulse Code Modulation (PCM)
Asynchronous Transfer Mode (ATM)
14. 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.
Packet Switching
Asynchronous Communication
Blue Boxing
CBC-MAC Protocol (CCMP)
15. 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.
Cable Modem
IGMP
802.11i
Iterated Association
16. 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.
Open System Authentication (OSA)
Fiber-optic Cables
802.11
Switch
17. 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.
Mesh Topology
Circuit Switching
Layers in the OSI Model
Tree Topology
18. Protocol that translates a MAC address into an IP address.
Fiber-optic Cables
Reverse Address Resolution Protocol (RARP )
Token Passing
OSI Layer 2: Data Link Layer
19. Strengths of a type of firewall: Better security than packet filtering. Looks at all info in the packet - up to the application layer. Breaks the connection between trusted and untrusted systems. Weaknesses include limited number of applications supp
UDP
Fiber Distributed Data Interface (FDDI)
Proxy Firewall Strengths
OSI Layer 5: Session Layer
20. 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.
Plenum-rated Cables
Switch
Wireless Application Protocol (WAP)
Repeaters
21. 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
UDP
OSI Layer 2: Data Link Layer
Serial Line Internet Protocol (SLIP)
22. 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.
802.11a
LLC (Logical Link Control - 802.2)
Point-To-Point (PPP)
Screened Host Firewall
23. 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.
Mesh Topology
Router
Half-Duplex
Dual-Homed Firewall
24. 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.
Definition of Protocol
Permanent Virtual Circuit (PVC)
Plenum-rated Cables
DOS attacks from flooding
25. Standard that addresses wireless MAN technologies.
Extensible Authentication Protocol (EAP)
802.16
Port Numbers
Temporal Key Integrity Protocol (TKIP)
26. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
TCP
Wired Equivalent Privacy (WEP)
Serial Line Internet Protocol (SLIP)
Ring Topology
27. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
TCP
802.11
Circuit Level Proxy Firewall
Full-Duplex
28. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
Mesh Topology
DNS (Domain Name System)
Bridge
FDDI-2
29. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Coaxial Cables
Layer 2 Tunneling Protocol (L2TP)
Multilevel Switching
Reverse Address Resolution Protocol (RARP )
30. Type of network layout that is a large geographical region connecting more that one LAN.
VLAN
Wide Area Network (WAN)
Screened Host Firewall
Noise
31. 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.
OSI Layer 2: Data Link Layer
OSI Layer 6: Presentation
DOS attacks from flooding
Tree Topology
32. 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
Switch
Frame Relay
Synchronous Data Link Control (SDLC)
Crosstalk
33. 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
UDP
Permanent Virtual Circuit (PVC)
IPv6
34. Network segment name for a DMZ created by two physical firewalls.
Screened Sub-Net
Token Passing
Service Set ID (SSID)
802.11a
35. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
802.11b
DNS (Domain Name System)
FDDI-2
UDP
36. 4: Application - 3: Host-to-Host - 2: Internet - 1: Network Access - 3 -1 -1 -2 will map to the OSI model.
Dynamic Packet Filtering
Stateful Firewall
Layers in the TCP/IP Model
802.11
37. 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.
Token Ring (802.5)
Dual-Homed Firewall
Open System Authentication (OSA)
Frame Relay
38. Protocol that works at the network layer and informs hosts - routers - and devices of network or computer problems. It is the major component of the ping utility.
Crosstalk
ICMP (Internet Control Message Protocol)
Layers in the TCP/IP Model
OSI Data encapsulation
39. VPN protocol that can run in other networks (frame relay - X.25 - ATM). Does not provide encryption - lacks the security to be called a true "VPN" solution.
TCP
Layers in the OSI Model
Commonly used in Ethernet.
Layer 2 Tunneling Protocol (L2TP)
40. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
Definition of Protocol
Star Topology
FDDI-2
Commonly used in logical bus - Ethernet - token ring.
41. 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.
CBC-MAC Protocol (CCMP)
Synchronous Optical Networks (SONETS)
Layers in the TCP/IP Model
High Level Data Link Control (HLDC)
42. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Frame Relay
Extensible Authentication Protocol (EAP)
Permanent Virtual Circuit (PVC)
Screened Sub-Net
43. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Open System Authentication (OSA)
Blue Boxing
VoIP
Iterated Association
44. Security wireless standard that rotates encryption keys - stronger IV values - MAC codes for packet integrity. Works in combination with WEP.
Blue Boxing
Temporal Key Integrity Protocol (TKIP)
OSI Layer 2: Data Link Layer
VoIP
45. 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.
Remote Access Servers
Application Proxy Firewall
Reverse Address Resolution Protocol (RARP )
Virtual Private Network (VPN)
46. 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
Token Passing
Loki Attack
Commonly used in logical bus - Ethernet - token ring.
47. 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 Firewall
802.15
Open System Authentication (OSA)
Router
48. 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.
Layers in the TCP/IP Model
Synchronous Optical Networks (SONETS)
OSI Layer 7: Application
TCP
49. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
Switch
ThinNet - aka 10base2
Temporal Key Integrity Protocol (TKIP)
Definition of Protocol
50. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
Synchronous Optical Networks (SONETS)
Synchronous Communication
Network Address Translator (NAT)
Ethernet (802.3)