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CISSP Telecom And Network Security
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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
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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. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
DNS (Domain Name System)
Commonly used in FDDI.
Frequency Hopping Spread Spectrum (FHSS)
ThinNet - aka 10base2
2. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
ARP (Address Resolution Protocol)
Integrated Services Digital Network (ISDN)
Shared Key Authentication (SKA)
Service Set ID (SSID)
3. 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
Source Routing
Committed Information Rate (CIR)
Session Initiation Protocol (SIP)
4. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
Screened Sub-Net
Bluejacking
Circuit Level Proxy Firewall
FDDI-2
5. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
Proxy Firewall Strengths
High Level Data Link Control (HLDC)
Classless inter-domain routing (CIDR)
SOCKS Firewall
6. In a token ring network - each computer is connected to this - which acts as a central hub.
Multistation Access Unit (MAU)
Committed Information Rate (CIR)
Point-To-Point (PPP)
802.16
7. Faster because processing is done in the kernel. One network stack is created for each packet. 5th generation firewall - runs at the application layer.
Half-Duplex
Bluejacking
Kernel Proxy Firewall
Stateful Firewall
8. 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.
Digital Subscriber Line (DSL)
Multi-protocol Label Switching
Commonly used in FDDI.
CBC-MAC Protocol (CCMP)
9. 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
Multi-protocol Label Switching
VoIP
Extensible Authentication Protocol (EAP)
TCP
10. 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)
Open System Authentication (OSA)
Cable Modem
Reverse Address Resolution Protocol (RARP )
11. 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.
Commonly used in Ethernet.
Classless inter-domain routing (CIDR)
Commonly used in FDDI.
High Level Data Link Control (HLDC)
12. Set of rules that dictates how computer communicate over networks.
Layers in the OSI Model
ThinNet - aka 10base2
OSI Layer 4: Transport Layer
Definition of Protocol
13. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.
Point-To-Point (PPP)
Mesh Topology
Password Authentication Protocol (PAP)
Token Ring (802.5)
14. Most commonly used LAN implementation today. Considered a "chatty" protocol because it allows all systems to hear each other's broadcasts. Has many collisions because all systems share the same medium. Can operate at 10 to 1000 Mbps.
Ring Topology
Frequency Hopping Spread Spectrum (FHSS)
Point-To-Point Tunneling Protocol (PPTP)
Ethernet (802.3)
15. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
Point-To-Point (PPP)
Extensible Authentication Protocol (EAP)
Metropolitan Area Network (MAN)
802.11i
16. 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
IPv6
10baseT
Classless inter-domain routing (CIDR)
17. 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
Bridge
Frame Relay
OSI Layer 2: Data Link Layer
Proxy Firewall Strengths
18. Protocol that translates a MAC address into an IP address.
Synchronous Optical Networks (SONETS)
Fiber-optic Cables
Frame Relay
Reverse Address Resolution Protocol (RARP )
19. 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-
Frequency Hopping Spread Spectrum (FHSS)
Attenuation
Point-To-Point (PPP)
Multistation Access Unit (MAU)
20. 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)
Bus Topology
Ring Topology
OSI Layer 1: Physical
21. 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
Metropolitan Area Network (MAN)
Proxy Firewall Strengths
Spread Spectrum
Carrier sense multiple access with collision detection (CSMA/CD)
22. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
T3
Application Proxy Firewall
OSI Layer 6: Presentation
Half-Duplex
23. 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.
Synchronous Data Link Control (SDLC)
802.11
OSI Layer 7: Application
Open System Authentication (OSA)
24. 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.
Asynchronous Communication
Serial Line Internet Protocol (SLIP)
X.25
OSI Layer 7: Application
25. 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
Metropolitan Area Network (MAN)
Multi-protocol Label Switching
Asynchronous Transfer Mode (ATM)
26. Standard that addresses wireless MAN technologies.
Definition of Protocol
Circuit Level Proxy Firewall
802.16
Commonly used in Ethernet.
27. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
802.11a
T1
Spam over Internet Telephony (SPIT)
Commonly used in logical bus - Ethernet - token ring.
28. 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.
Asynchronous Transfer Mode (ATM)
IPSec
Screened Host Firewall
Attenuation
29. 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.
DNS (Domain Name System)
Serial Line Internet Protocol (SLIP)
Committed Information Rate (CIR)
LLC (Logical Link Control - 802.2)
30. Protocol for allowing multi-cast (one to many) communication
OSI Layer 4: Transport Layer
Layer 2 Tunneling Protocol (L2TP)
ICMP (Internet Control Message Protocol)
IGMP
31. 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.
Permanent Virtual Circuit (PVC)
802.16
IPv6
Dynamic Packet Filtering
32. 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.
Temporal Key Integrity Protocol (TKIP)
Isochronous Communication Processes
Fiber Distributed Data Interface (FDDI)
Layer 2 Tunneling Protocol (L2TP)
33. Protocol that increases address size from 32 bits to 128 bits
SPIM
IPv6
Multi-protocol Label Switching
Ring Topology
34. 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.
Switched Virtual Circuit (SVC)
Direct Sequence Spread Spectrum (DSSS)
Proxy Firewall Strengths
UDP
35. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
Switch
Point-To-Point (PPP)
802.11b
OSI Layer 4: Transport Layer
36. 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.
Switched Virtual Circuit (SVC)
Extensible Authentication Protocol (EAP)
Wireless Application Protocol (WAP)
Reverse Address Resolution Protocol (RARP )
37. 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.
SPIM
OSI Data encapsulation
Service Set ID (SSID)
OSI Layer 4: Transport Layer
38. 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.
Bridge
Virtual Private Network (VPN)
Private Branch Exchange (PBX)
Proxy Firewall
39. This network technology determines which system will send data based on which one has the token.
Plenum-rated Cables
Trunk Lines
Fiber Distributed Data Interface (FDDI)
Token Passing
40. Both directions - only one application can send information at a time
Half-Duplex
Bluejacking
SPIM
Pulse Code Modulation (PCM)
41. 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.
Dedicated Links
Fiber Distributed Data Interface (FDDI)
Session Initiation Protocol (SIP)
X.25
42. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Remote Access Servers
OSI Layer 3: Network Layer
OSI Layer 2: Data Link Layer
Circuit Level Proxy Firewall
43. 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.
LLC (Logical Link Control - 802.2)
Ethernet (802.3)
Circuit Switching
Dedicated Links
44. 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
DOS attacks from flooding
OSI Layer 5: Session Layer
Layers in the TCP/IP Model
45. 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.
Point-To-Point Tunneling Protocol (PPTP)
Multilevel Switching
Permanent Virtual Circuit (PVC)
X.25
46. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Plenum-rated Cables
Challenge Handshake Authentication Protocol (CHAP)
Multi-protocol Label Switching
802.11a
47. 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.
Application Proxy vs. Circuit Level
Loki Attack
Noise
802.11b
48. 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.
Commonly used in Internet.
Metropolitan Area Network (MAN)
Mesh Topology
Screened Host Firewall
49. 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.
Wired Equivalent Privacy (WEP)
Fiber-optic Cables
Loki Attack
Bluejacking
50. Standard that outlines wireless personal area network (WPAN) technologies.
Definition of Protocol
802.15
Session Initiation Protocol (SIP)
802.11i
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