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CISSP Telecom And Network Security
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it-skills
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cissp
Instructions:
Answer 50 questions in 15 minutes.
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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. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
UDP
Shared Key Authentication (SKA)
Synchronous Optical Networks (SONETS)
Extensible Authentication Protocol (EAP)
2. 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.
Router
802.11i
Proxy Firewall Strengths
OSI Layer 1: Physical
3. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
802.11a
Packet Filtering Firewall
OSI Layer 6: Presentation
Wireless Application Protocol (WAP)
4. 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)
Challenge Handshake Authentication Protocol (CHAP)
IPv6
10baseT
5. OSI layer that provides routing - addressing - and fragmentation of packets. This layer can determine alternative routes to avoid network congestion. Protocols that use this layer are IP - ICMP - RIP - OSPF (Open Shortest Path First) - BGP (Border Ga
ARP (Address Resolution Protocol)
ThinNet - aka 10base2
Network Address Translator (NAT)
OSI Layer 3: Network Layer
6. SMTP server that is configured for sending email from any source to and destination.
Mesh Topology
Open Relay
Repeaters
Multistation Access Unit (MAU)
7. Wireless communication that distributes individual signals across the allocated frequencies.
Spread Spectrum
Point-To-Point (PPP)
Remote Access Servers
Half-Duplex
8. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
Service Set ID (SSID)
Bluejacking
Frame Relay
Digital Subscriber Line (DSL)
9. This network technology determines which system will send data based on which one has the token.
Ring Topology
Ethernet (802.3)
Token Passing
Reverse Address Resolution Protocol (RARP )
10. 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.
Challenge Handshake Authentication Protocol (CHAP)
Point-To-Point Tunneling Protocol (PPTP)
Network Address Translator (NAT)
IPv6
11. 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.
Integrated Services Digital Network (ISDN)
OSI Layer 1: Physical
Fiber-optic Cables
Trunk Lines
12. Wireless standard that will improve security of wireless communication
802.11i
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
802.11b
ThickNet - aka 10base5.
13. Problems: Requires more expense in cabling and extra effort to track down cable faults.
Mesh Topology
Password Authentication Protocol (PAP)
Plenum-rated Cables
Layer 2 Tunneling Protocol (L2TP)
14. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
OSI Layer 2: Data Link Layer
Commonly used in FDDI.
Noise
Frame Relay
15. 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.
802.11a
X.25
Reverse Address Resolution Protocol (RARP )
LLC (Logical Link Control - 802.2)
16. Protocol for allowing multi-cast (one to many) communication
VLAN
IGMP
Application Proxy Firewall
Noise
17. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Commonly used in logical bus - Ethernet - token ring.
Private Branch Exchange (PBX)
10baseT
Digital Subscriber Line (DSL)
18. Malware attack that sends commands inside of an ICMP packet.
Stateful Firewall
10baseT
OSI Layer 4: Transport Layer
Loki Attack
19. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Virtual Private Network (VPN)
Noise
Synchronous Communication
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
20. 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.
Multilevel Switching
802.16
Direct Sequence Spread Spectrum (DSSS)
SOCKS Firewall
21. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
Bus Topology
Temporal Key Integrity Protocol (TKIP)
802.11b
FDDI-2
22. 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.
Classless inter-domain routing (CIDR)
ICMP (Internet Control Message Protocol)
OSI Layer 6: Presentation
Mesh Topology
23. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
TCP
ARP Poisoning
Open System Authentication (OSA)
Synchronous Communication
24. 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.
Spread Spectrum
CBC-MAC Protocol (CCMP)
Ethernet (802.3)
Tree Topology
25. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
Attenuation
OSI Layer 1: Physical
Packet Filtering Firewall
Carrier sense multiple access with collision detection (CSMA/CD)
26. 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
ThinNet - aka 10base2
Commonly used in Internet.
Multi-protocol Label Switching
Dual-Homed Firewall
27. OSI layer that provides end to end transmission between computer systems. Protocols that use this layer are TCP (Transmission Control Protocol) - UDP (User Datagram Protocol) - SPX (Sequenced Packet Exchange) - and SSL.
Commonly used in FDDI.
OSI Layer 4: Transport Layer
Dual-Homed Firewall
Wide Area Network (WAN)
28. 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.
Layer 2 Tunneling Protocol (L2TP)
Challenge Handshake Authentication Protocol (CHAP)
Trunk Lines
ARP Poisoning
29. 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
Open Relay
SPIM
Half-Duplex
30. 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.
Port Numbers
Distributed Environment Challenge
Mesh Topology
ThinNet - aka 10base2
31. Type of firewall that keeps track of each communication session. It must maintain a state table that contains data about each connection. 3rd generation firewall - runs at the network layer.
ARP Poisoning
ThickNet - aka 10base5.
Session Initiation Protocol (SIP)
Stateful Firewall
32. 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.
Loki Attack
Digital Subscriber Line (DSL)
Virtual Private Network (VPN)
Isochronous Communication Processes
33. 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
Isochronous Communication Processes
DNS (Domain Name System)
Private Branch Exchange (PBX)
Packet Switching
34. An older protocol that was used by ISP's to encapsulate data to be sent over dial up connections
Serial Line Internet Protocol (SLIP)
OSI Layer 2: Data Link Layer
Port Numbers
Multilevel Switching
35. New variant to traditional email spam on VoIP networks.
Open System Authentication (OSA)
Permanent Virtual Circuit (PVC)
Blue Boxing
Spam over Internet Telephony (SPIT)
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.
802.11
LLC (Logical Link Control - 802.2)
Pulse Code Modulation (PCM)
Stateful Firewall
37. 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
Bastion Host
OSI Layer 1: Physical
Noise
38. 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
Packet Switching
Commonly used in Ethernet.
X.25
39. Standard that outlines wireless personal area network (WPAN) technologies.
IPSec
802.15
Distributed Environment Challenge
Stateful Firewall
40. 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
Point-To-Point Tunneling Protocol (PPTP)
DNS (Domain Name System)
Packet Switching
OSI Layer 3: Network Layer
41. OSI layer that has services and protocols required by the user's applications for network functionality. Example protocols include HTTP - SMTP - FTP - Telnet.
IPv6
OSI Layer 7: Application
Temporal Key Integrity Protocol (TKIP)
Dual-Homed Firewall
42. 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)
Extensible Authentication Protocol (EAP)
X.25
Noise
43. In the OSI layer 5 - these are the types of what?
Circuit Level Proxy Firewall
Application Proxy Firewall
Classless inter-domain routing (CIDR)
Simplex: One direction.
44. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
Dynamic Packet Filtering
Extensible Authentication Protocol (EAP)
T3
802.11a
45. 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)
Distributed Environment Challenge
Application Proxy vs. Circuit Level
Virtual Private Network (VPN)
46. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.
Integrated Services Digital Network (ISDN)
Committed Information Rate (CIR)
OSI Layer 1: Physical
UDP
47. Network segment name for a DMZ created by two physical firewalls.
Serial Line Internet Protocol (SLIP)
SOCKS Firewall
Iterated Association
Screened Sub-Net
48. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
802.11b
Simplex: One direction.
ARP Poisoning
FDDI-2
49. 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.
Committed Information Rate (CIR)
VLAN
Asynchronous Transfer Mode (ATM)
Switched Virtual Circuit (SVC)
50. 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)
OSI Layer 2: Data Link Layer
OSI Layer 3: Network Layer
VLAN
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