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Test your basic knowledge |
CISSP Telecom And Network Security
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Subjects
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certifications
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it-skills
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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
.
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 translates IP address into a MAC address (physical Ethernet address)
OSI Layer 6: Presentation
802.11a
Permanent Virtual Circuit (PVC)
ARP (Address Resolution Protocol)
2. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
DNS (Domain Name System)
SPIM
Proxy Firewall
Tree Topology
3. 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.
T3
FDDI-2
Cable Modem
Wired Equivalent Privacy (WEP)
4. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Frame Relay
Serial Line Internet Protocol (SLIP)
Spam over Internet Telephony (SPIT)
5. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'
802.11
802.16
Packet Filtering Firewall
Layers in the OSI Model
6. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Attenuation
Ring Topology
IGMP
Session Initiation Protocol (SIP)
7. 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
IGMP
Fiber-optic Cables
Router
8. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
ThickNet - aka 10base5.
Point-To-Point Tunneling Protocol (PPTP)
Direct Sequence Spread Spectrum (DSSS)
Layers in the TCP/IP Model
9. 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
FDDI-2
Frame Relay
802.11i
10. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same cable.
Bus Topology
ICMP (Internet Control Message Protocol)
VoIP
Crosstalk
11. Malware attack that sends commands inside of an ICMP packet.
FDDI-2
Bus Topology
Bridge
Loki Attack
12. Type of host that is locked down - hardened - system. Systems installed in the DMZ (firewalls - servers) should be installed on this type of host.
Extensible Authentication Protocol (EAP)
Remote Access Servers
Stateful Firewall
Bastion Host
13. 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
Asynchronous Transfer Mode (ATM)
ARP (Address Resolution Protocol)
Point-To-Point (PPP)
14. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
Blue Boxing
Classless inter-domain routing (CIDR)
802.11b
T3
15. Type of firewall that can be compromised if the OS does not have packet forwarding or routing turned off.
Frequency Hopping Spread Spectrum (FHSS)
FDDI-2
Dual-Homed Firewall
ARP (Address Resolution Protocol)
16. Security wireless standard that rotates encryption keys - stronger IV values - MAC codes for packet integrity. Works in combination with WEP.
Classless inter-domain routing (CIDR)
OSI Layer 5: Session Layer
VLAN
Temporal Key Integrity Protocol (TKIP)
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.
Circuit Switching
10baseT
Bluejacking
Twisted Pair Cables
18. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
Stateful Firewall
FDDI-2
Ring Topology
OSI Layer 1: Physical
19. 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.
Half-Duplex
OSI Layer 4: Transport Layer
Stateful Firewall
SPIM
20. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
Ring Topology
OSI Layer 5: Session Layer
CBC-MAC Protocol (CCMP)
Definition of Protocol
21. Type of firewall that Inspects incoming/outgoing messages for malicious information. If approved - transfers an isolated copy from one network to another. 2nd generation firewall.
Switched Virtual Circuit (SVC)
Extensible Authentication Protocol (EAP)
Proxy Firewall
Simplex: One direction.
22. 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.
Carrier sense multiple access with collision detection (CSMA/CD)
Attenuation
ICMP (Internet Control Message Protocol)
Classless inter-domain routing (CIDR)
23. Type of network layout that separates and group computers logically.
Synchronous Data Link Control (SDLC)
Open System Authentication (OSA)
Spread Spectrum
VLAN
24. 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.
OSI Layer 1: Physical
Star Topology
Frame Relay
OSI Layer 6: Presentation
25. Type of cabling problem signals from one wire crossing over to another wire.
Dynamic Packet Filtering
Crosstalk
Multi-protocol Label Switching
Session Initiation Protocol (SIP)
26. 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.
Wide Area Network (WAN)
ThickNet - aka 10base5.
Twisted Pair Cables
Ethernet (802.3)
27. 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.
OSI Layer 1: Physical
Asynchronous Communication
Application Proxy vs. Circuit Level
Digital Subscriber Line (DSL)
28. VPN protocol that works at the network layer - handles multiple connections - provides secure authentication and encryption. Tunnel mode option (payload and header encrypted) - or transport mode (only payload is encrypted).
Crosstalk
IPSec
Service Set ID (SSID)
Bus Topology
29. 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.
Plenum-rated Cables
Cable Modem
Shared Key Authentication (SKA)
Commonly used in Ethernet.
30. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
Open Relay
OSI Layer 1: Physical
T1
802.16
31. In the OSI layer 5 - these are the types of what?
ICMP (Internet Control Message Protocol)
Simplex: One direction.
Screened Sub-Net
802.16
32. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
LLC (Logical Link Control - 802.2)
Stateful Firewall
OSI Layer 2: Data Link Layer
802.11
33. 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
802.11i
Frequency Hopping Spread Spectrum (FHSS)
OSI Layer 2: Data Link Layer
Commonly used in Ethernet.
34. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
TCP
Commonly used in FDDI.
Repeaters
T3
35. 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
Synchronous Data Link Control (SDLC)
Token Ring (802.5)
TCP
Loki Attack
36. 4: Application - 3: Host-to-Host - 2: Internet - 1: Network Access - 3 -1 -1 -2 will map to the OSI model.
10baseT
Layers in the TCP/IP Model
Commonly used in logical bus - Ethernet - token ring.
Spam over Internet Telephony (SPIT)
37. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Open System Authentication (OSA)
Spam over Internet Telephony (SPIT)
Noise
Temporal Key Integrity Protocol (TKIP)
38. Type of cable where STP and UTP (shielded and unshielded) cables are the most popular - cheapest - and easiest to work with. However - easiest to tap into - have cross talk issues - and are vulnerable to electromagnetic interference (EMI).
Twisted Pair Cables
Screened Host Firewall
Application Proxy vs. Circuit Level
Carrier sense multiple access with collision detection (CSMA/CD)
39. 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.
802.15
FDDI-2
Dual-Homed Firewall
OSI Layer 5: Session Layer
40. 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.
Packet Switching
Distributed Environment Challenge
Password Authentication Protocol (PAP)
ARP Poisoning
41. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Remote Access Servers
Commonly used in logical bus - Ethernet - token ring.
Tree Topology
Bus Topology
42. SMTP server that is configured for sending email from any source to and destination.
Open Relay
Private Branch Exchange (PBX)
Challenge Handshake Authentication Protocol (CHAP)
Dynamic Packet Filtering
43. 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
802.11
Service Set ID (SSID)
OSI Layer 4: Transport Layer
Packet Switching
44. Type of topology that Uses linear single cable for all computers attached. All traffic travels full cable and can be viewed by all other computers.
LLC (Logical Link Control - 802.2)
OSI Layer 7: Application
Commonly used in Ethernet.
Wireless Application Protocol (WAP)
45. 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).
Multilevel Switching
Service Set ID (SSID)
Commonly used in logical bus - Ethernet - token ring.
Source Routing
46. 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.
Reverse Address Resolution Protocol (RARP )
VoIP
Network Address Translator (NAT)
Circuit Level Proxy Firewall
47. 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.
LLC (Logical Link Control - 802.2)
Switch
Commonly used in Ethernet.
Commonly used in FDDI.
48. 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.
Virtual Private Network (VPN)
Open System Authentication (OSA)
802.16
Bridge
49. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
Reverse Address Resolution Protocol (RARP )
Packet Filtering Firewall
Full-Duplex
Application Proxy vs. Circuit Level
50. 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.
Spam over Internet Telephony (SPIT)
Noise
Layer 2 Tunneling Protocol (L2TP)
Commonly used in Internet.