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 firewall that lies between the perimeter router and and LAN.
Wired Equivalent Privacy (WEP)
Open System Authentication (OSA)
Remote Access Servers
Screened Host Firewall
2. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
Asynchronous Transfer Mode (ATM)
Crosstalk
802.11
Challenge Handshake Authentication Protocol (CHAP)
3. Communication process that must deliver data with set time constraints. Applications are typically video related where audio and must match perfectly. VoIP is another example.
Frame Relay
ARP (Address Resolution Protocol)
Definition of Protocol
Isochronous Communication Processes
4. These are used to connect multiple switches for traffic of the same classification. Example - two voice switches at a local phone company's central office.
Service Set ID (SSID)
Circuit Level Proxy Firewall
Virtual Private Network (VPN)
Trunk Lines
5. Both directions - only one application can send information at a time
Serial Line Internet Protocol (SLIP)
Half-Duplex
Screened Sub-Net
Crosstalk
6. 4: Application - 3: Host-to-Host - 2: Internet - 1: Network Access - 3 -1 -1 -2 will map to the OSI model.
Token Passing
Layers in the TCP/IP Model
Coaxial Cables
Synchronous Communication
7. 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.
Permanent Virtual Circuit (PVC)
Repeaters
UDP
Circuit Switching
8. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
Isochronous Communication Processes
UDP
Half-Duplex
OSI Data encapsulation
9. OSI layer that has services and protocols required by the user's applications for network functionality. Example protocols include HTTP - SMTP - FTP - Telnet.
802.11a
OSI Data encapsulation
OSI Layer 7: Application
Metropolitan Area Network (MAN)
10. Type of host that is locked down - hardened - system. Systems installed in the DMZ (firewalls - servers) should be installed on this type of host.
DOS attacks from flooding
Wireless Application Protocol (WAP)
IPSec
Bastion Host
11. Wireless standard that will improve security of wireless communication
Circuit Switching
802.11i
Switch
Isochronous Communication Processes
12. Type of cabling problem signals from one wire crossing over to another wire.
Network Address Translator (NAT)
Crosstalk
Screened Sub-Net
802.15
13. 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.
Cable Modem
Application Proxy Firewall
Pulse Code Modulation (PCM)
LLC (Logical Link Control - 802.2)
14. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
802.11b
Bastion Host
Blue Boxing
Screened Sub-Net
15. 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.
Asynchronous Communication
802.11b
IPv6
Definition of Protocol
16. In the OSI layer 5 - these are the types of what?
Classless inter-domain routing (CIDR)
Fiber Distributed Data Interface (FDDI)
Simplex: One direction.
802.11i
17. 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)
Simplex: One direction.
802.15
Token Ring (802.5)
18. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
Fiber Distributed Data Interface (FDDI)
802.15
T1
Proxy Firewall
19. Set of rules that dictates how computer communicate over networks.
802.16
Challenge Handshake Authentication Protocol (CHAP)
Circuit Level Proxy Firewall
Definition of Protocol
20. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Challenge Handshake Authentication Protocol (CHAP)
Mesh Topology
IPv6
Commonly used in logical bus - Ethernet - token ring.
21. 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.
Layers in the TCP/IP Model
Circuit Level Proxy Firewall
Attenuation
Cable Modem
22. 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.
Carrier sense multiple access with collision detection (CSMA/CD)
OSI Data encapsulation
Channel Service Unit/Data Service Unit (CSU/DSU)
Frame Relay
23. 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.
DOS attacks from flooding
VLAN
Dynamic Packet Filtering
Stateful Firewall
24. Identifys a WLAN. Can be used to segment environments into different WLANS.
Dynamic Packet Filtering
Remote Access Servers
OSI Layer 7: Application
Service Set ID (SSID)
25. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
Network Address Translator (NAT)
Service Set ID (SSID)
Dedicated Links
Wireless Application Protocol (WAP)
26. 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
Blue Boxing
Integrated Services Digital Network (ISDN)
Channel Service Unit/Data Service Unit (CSU/DSU)
27. 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.
Committed Information Rate (CIR)
Router
802.11i
X.25
28. 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
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
SPIM
FDDI-2
29. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
SOCKS Firewall
DNS (Domain Name System)
Simplex: One direction.
Frame Relay
30. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Challenge Handshake Authentication Protocol (CHAP)
Permanent Virtual Circuit (PVC)
Mesh Topology
Application Proxy Firewall
31. 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.
802.11b
Attenuation
LLC (Logical Link Control - 802.2)
Crosstalk
32. Protocol that translates a MAC address into an IP address.
Shared Key Authentication (SKA)
FDDI-2
Switched Virtual Circuit (SVC)
Reverse Address Resolution Protocol (RARP )
33. 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.
Plenum-rated Cables
802.11i
Commonly used in FDDI.
Carrier sense multiple access with collision detection (CSMA/CD)
34. 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.
Attenuation
ICMP (Internet Control Message Protocol)
Ethernet (802.3)
Network Address Translator (NAT)
35. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
802.16
CBC-MAC Protocol (CCMP)
Asynchronous Communication
Classless inter-domain routing (CIDR)
36. Type of network that allows large IP ranges to be divided into smaller - logical - and easier to maintain network segments.
802.11b
Point-To-Point Tunneling Protocol (PPTP)
Source Routing
Subnetting
37. 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-
Classless inter-domain routing (CIDR)
Screened Sub-Net
Serial Line Internet Protocol (SLIP)
Frequency Hopping Spread Spectrum (FHSS)
38. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
Trunk Lines
Packet Filtering Firewall
Ring Topology
Circuit Level Proxy Firewall
39. 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.
Isochronous Communication Processes
Open System Authentication (OSA)
Frequency Hopping Spread Spectrum (FHSS)
Wireless Application Protocol (WAP)
40. The original technique to digitized voice with 8 bits of sampling 8 -000 times per second - which yields 64 Kbps for one voice channel.
Packet Switching
ARP (Address Resolution Protocol)
Mesh Topology
Pulse Code Modulation (PCM)
41. Protocol for allowing multi-cast (one to many) communication
Wide Area Network (WAN)
IGMP
Synchronous Communication
Switch
42. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
Loki Attack
802.11a
OSI Layer 1: Physical
Application Proxy Firewall
43. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.
Fiber Distributed Data Interface (FDDI)
CBC-MAC Protocol (CCMP)
OSI Layer 5: Session Layer
Committed Information Rate (CIR)
44. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
Challenge Handshake Authentication Protocol (CHAP)
ThinNet - aka 10base2
Multi-protocol Label Switching
Direct Sequence Spread Spectrum (DSSS)
45. 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
Fiber-optic Cables
Extensible Authentication Protocol (EAP)
Screened Sub-Net
Private Branch Exchange (PBX)
46. New variant to traditional email spam on VoIP networks.
Spam over Internet Telephony (SPIT)
Packet Switching
OSI Layer 5: Session Layer
Service Set ID (SSID)
47. 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)
Wide Area Network (WAN)
Ethernet (802.3)
Ring Topology
48. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
Commonly used in logical bus - Ethernet - token ring.
SOCKS Firewall
T3
DNS (Domain Name System)
49. Protocol that increases address size from 32 bits to 128 bits
IPv6
802.15
Tree Topology
Network Address Translator (NAT)
50. 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
Open Relay
Circuit Level Proxy Firewall
Synchronous Communication
Multi-protocol Label Switching