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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. Standard that outlines wireless personal area network (WPAN) technologies.
802.11i
Spread Spectrum
Layers in the TCP/IP Model
802.15
2. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
Commonly used in FDDI.
Challenge Handshake Authentication Protocol (CHAP)
Dual-Homed Firewall
Multilevel Switching
3. Type of host that is locked down - hardened - system. Systems installed in the DMZ (firewalls - servers) should be installed on this type of host.
Bastion Host
Temporal Key Integrity Protocol (TKIP)
ICMP (Internet Control Message Protocol)
Serial Line Internet Protocol (SLIP)
4. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Noise
802.15
Frame Relay
Commonly used in logical bus - Ethernet - token ring.
5. 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.
Serial Line Internet Protocol (SLIP)
Proxy Firewall
Screened Host Firewall
Distributed Environment Challenge
6. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
OSI Data encapsulation
OSI Layer 5: Session Layer
Dynamic Packet Filtering
DNS (Domain Name System)
7. Identifys a WLAN. Can be used to segment environments into different WLANS.
Attenuation
Virtual Private Network (VPN)
Bluejacking
Service Set ID (SSID)
8. Type of wireless security standard that uses AES in CBC mode.
Metropolitan Area Network (MAN)
Port Numbers
CBC-MAC Protocol (CCMP)
Spam over Internet Telephony (SPIT)
9. 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
Bus Topology
Circuit Level Proxy Firewall
Pulse Code Modulation (PCM)
10. Set of rules that dictates how computer communicate over networks.
802.11
Screened Host Firewall
Definition of Protocol
OSI Layer 4: Transport Layer
11. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
Spam over Internet Telephony (SPIT)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Noise
Point-To-Point (PPP)
12. 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)
Multistation Access Unit (MAU)
Switched Virtual Circuit (SVC)
IPSec
13. 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
Open Relay
Distributed Environment Challenge
Digital Subscriber Line (DSL)
14. 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 Communication
802.11a
Open System Authentication (OSA)
VoIP
15. 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
Synchronous Data Link Control (SDLC)
Asynchronous Communication
DNS (Domain Name System)
16. 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
DNS (Domain Name System)
Half-Duplex
Packet Switching
Digital Subscriber Line (DSL)
17. In a token ring network - each computer is connected to this - which acts as a central hub.
Subnetting
Dual-Homed Firewall
Point-To-Point (PPP)
Multistation Access Unit (MAU)
18. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
T3
OSI Layer 2: Data Link Layer
Distributed Environment Challenge
Asynchronous Communication
19. Malware attack that sends commands inside of an ICMP packet.
Commonly used in FDDI.
Open System Authentication (OSA)
Loki Attack
Commonly used in Internet.
20. A technique that allows multiple layers of nesting. Example - IPSec tunnel can originate or terminate at a different IPSec site along the way.
Iterated Association
Session Initiation Protocol (SIP)
Ethernet (802.3)
Metropolitan Area Network (MAN)
21. 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.
Dynamic Packet Filtering
ARP Poisoning
Commonly used in Ethernet.
IPv6
22. Both directions - both applications can send information at a time. Session Layer Communication Modes
Full-Duplex
Application Proxy vs. Circuit Level
Extensible Authentication Protocol (EAP)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
23. 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.
Trunk Lines
Token Ring (802.5)
Distributed Environment Challenge
Private Branch Exchange (PBX)
24. Problems: Requires more expense in cabling and extra effort to track down cable faults.
Circuit Switching
Mesh Topology
Challenge Handshake Authentication Protocol (CHAP)
Temporal Key Integrity Protocol (TKIP)
25. 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.
Direct Sequence Spread Spectrum (DSSS)
IPSec
Serial Line Internet Protocol (SLIP)
Iterated Association
26. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
802.11b
Temporal Key Integrity Protocol (TKIP)
Virtual Private Network (VPN)
Screened Sub-Net
27. New variant to traditional email spam on VoIP networks.
Spread Spectrum
TCP
Spam over Internet Telephony (SPIT)
Cable Modem
28. 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
Private Branch Exchange (PBX)
Screened Host Firewall
Noise
Asynchronous Transfer Mode (ATM)
29. If the packet header information is used to determine destinations rather than the routes configured into the router. Packets with this information should be dropped.
Ethernet (802.3)
Metropolitan Area Network (MAN)
Source Routing
Dedicated Links
30. 4: Application - 3: Host-to-Host - 2: Internet - 1: Network Access - 3 -1 -1 -2 will map to the OSI model.
Service Set ID (SSID)
Committed Information Rate (CIR)
Layers in the TCP/IP Model
High Level Data Link Control (HLDC)
31. 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.
Synchronous Optical Networks (SONETS)
Shared Key Authentication (SKA)
Direct Sequence Spread Spectrum (DSSS)
Distributed Environment Challenge
32. Protocol that translates a MAC address into an IP address.
DOS attacks from flooding
Point-To-Point (PPP)
Reverse Address Resolution Protocol (RARP )
Extensible Authentication Protocol (EAP)
33. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
Asynchronous Transfer Mode (ATM)
Source Routing
OSI Layer 5: Session Layer
ThinNet - aka 10base2
34. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
IGMP
Blue Boxing
Packet Filtering Firewall
Network Address Translator (NAT)
35. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
Screened Host Firewall
VLAN
Session Initiation Protocol (SIP)
SOCKS Firewall
36. In the OSI layer 5 - these are the types of what?
Synchronous Communication
IPv6
Reverse Address Resolution Protocol (RARP )
Simplex: One direction.
37. 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.
Star Topology
DOS attacks from flooding
Spread Spectrum
Permanent Virtual Circuit (PVC)
38. 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.
Ethernet (802.3)
Dual-Homed Firewall
802.11a
IPv6
39. 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.
Switched Virtual Circuit (SVC)
Tree Topology
Layer 2 Tunneling Protocol (L2TP)
Port Numbers
40. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.
VoIP
Permanent Virtual Circuit (PVC)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Challenge Handshake Authentication Protocol (CHAP)
41. 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.
OSI Layer 2: Data Link Layer
LLC (Logical Link Control - 802.2)
802.16
Reverse Address Resolution Protocol (RARP )
42. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
OSI Data encapsulation
DOS attacks from flooding
Network Address Translator (NAT)
T1
43. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Challenge Handshake Authentication Protocol (CHAP)
Isochronous Communication Processes
Asynchronous Communication
Token Passing
44. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
Private Branch Exchange (PBX)
Switched Virtual Circuit (SVC)
OSI Layer 6: Presentation
Stateful Firewall
45. 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.
Challenge Handshake Authentication Protocol (CHAP)
802.16
OSI Layer 6: Presentation
High Level Data Link Control (HLDC)
46. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
UDP
Layers in the OSI Model
OSI Layer 6: Presentation
ARP Poisoning
47. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
Router
Bluejacking
Dual-Homed Firewall
ThinNet - aka 10base2
48. 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
Pulse Code Modulation (PCM)
T1
Proxy Firewall Strengths
Screened Sub-Net
49. 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
Crosstalk
10baseT
X.25
50. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.
Multistation Access Unit (MAU)
Layer 2 Tunneling Protocol (L2TP)
Password Authentication Protocol (PAP)
Half-Duplex