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. 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.
Router
Cable Modem
ARP Poisoning
Challenge Handshake Authentication Protocol (CHAP)
2. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
VLAN
Coaxial Cables
Bluejacking
Dynamic Packet Filtering
3. 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.
Permanent Virtual Circuit (PVC)
Frame Relay
Circuit Switching
OSI Data encapsulation
4. 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.
Proxy Firewall
Virtual Private Network (VPN)
Bastion Host
Extensible Authentication Protocol (EAP)
5. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
802.11b
Bluejacking
Spam over Internet Telephony (SPIT)
802.11i
6. The well known values range from 0-1023. FTP runs on 20 and 21 - SMTP runs on 25 - TFTP runs on 69 - DNS runs on 53 - HTTP runs on 80 - HTTPS runs on 443 - SNMP runs on 161.
Multistation Access Unit (MAU)
Switched Virtual Circuit (SVC)
Remote Access Servers
Port Numbers
7. Type of firewall that is also know as a screening router and is accomplished by ACL's (Lines of text called rules). Traffic can be filtered by address - ports - and protocol types. 1st generation firewall - runs at the network layer.
Kernel Proxy Firewall
Commonly used in Ethernet.
Packet Filtering Firewall
Pulse Code Modulation (PCM)
8. Altering an ARP table so an IP address is mapped to a different MAC address. Results in traffic being routed to an attacker's computer.
Remote Access Servers
ARP Poisoning
802.15
OSI Data encapsulation
9. In the OSI layer 5 - these are the types of what?
Shared Key Authentication (SKA)
Packet Filtering Firewall
Simplex: One direction.
Dual-Homed Firewall
10. 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
OSI Layer 4: Transport Layer
Synchronous Data Link Control (SDLC)
Serial Line Internet Protocol (SLIP)
Channel Service Unit/Data Service Unit (CSU/DSU)
11. 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.
ThickNet - aka 10base5.
IPSec
FDDI-2
Source Routing
12. 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.
Commonly used in FDDI.
Direct Sequence Spread Spectrum (DSSS)
Synchronous Optical Networks (SONETS)
Commonly used in Internet.
13. Problems: Requires more expense in cabling and extra effort to track down cable faults.
Layers in the OSI Model
Mesh Topology
Remote Access Servers
LLC (Logical Link Control - 802.2)
14. Standard that outlines wireless personal area network (WPAN) technologies.
Simplex: One direction.
802.15
Ring Topology
IGMP
15. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
OSI Layer 4: Transport Layer
Remote Access Servers
Coaxial Cables
Multilevel Switching
16. SMTP server that is configured for sending email from any source to and destination.
Full-Duplex
OSI Layer 7: Application
Open Relay
T1
17. 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.
Commonly used in logical bus - Ethernet - token ring.
Proxy Firewall
Multilevel Switching
Dynamic Packet Filtering
18. 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.
DNS (Domain Name System)
X.25
Serial Line Internet Protocol (SLIP)
Direct Sequence Spread Spectrum (DSSS)
19. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
Twisted Pair Cables
Packet Filtering Firewall
ThickNet - aka 10base5.
Dual-Homed Firewall
20. 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.
OSI Layer 5: Session Layer
Private Branch Exchange (PBX)
Circuit Switching
Frame Relay
21. 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.
Asynchronous Communication
Circuit Switching
Loki Attack
Screened Sub-Net
22. A technique that allows multiple layers of nesting. Example - IPSec tunnel can originate or terminate at a different IPSec site along the way.
Point-To-Point (PPP)
Layers in the OSI Model
IGMP
Iterated Association
23. Protocol that translates IP address into a MAC address (physical Ethernet address)
ARP (Address Resolution Protocol)
Network Address Translator (NAT)
Digital Subscriber Line (DSL)
Application Proxy Firewall
24. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Challenge Handshake Authentication Protocol (CHAP)
Asynchronous Transfer Mode (ATM)
Loki Attack
Mesh Topology
25. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
TCP
Layers in the OSI Model
Dedicated Links
IPSec
26. Type of firewall that lies between the perimeter router and and LAN.
Fiber-optic Cables
Screened Host Firewall
DOS attacks from flooding
Integrated Services Digital Network (ISDN)
27. Type of firewall that can be compromised if the OS does not have packet forwarding or routing turned off.
Synchronous Data Link Control (SDLC)
Temporal Key Integrity Protocol (TKIP)
Dual-Homed Firewall
Carrier sense multiple access with collision detection (CSMA/CD)
28. Used when a LAN device needs to communicate with WAN devices over telephone lines. Ensures the necessary electrical signaling and format are used. Interfaces with Data Terminal Equipment (DTE) and Data Circuit-Terminal Equipment (DCE).
Layers in the TCP/IP Model
Virtual Private Network (VPN)
Channel Service Unit/Data Service Unit (CSU/DSU)
OSI Layer 5: Session Layer
29. 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
Dedicated Links
Proxy Firewall Strengths
Network Address Translator (NAT)
30. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Network Address Translator (NAT)
Spread Spectrum
Noise
TCP
31. In a token ring network - each computer is connected to this - which acts as a central hub.
Point-To-Point Tunneling Protocol (PPTP)
Packet Switching
Mesh Topology
Multistation Access Unit (MAU)
32. A simplified version of X.25 - without the error checking that was done on the network. It handles error checking at the end node - which helps improve speed dramatically.
Frame Relay
SOCKS Firewall
Committed Information Rate (CIR)
VoIP
33. Older LAN implementation that uses a token-passing technology. Can send a beacon frame to indicate that a certain computer is failing and its neighbors should reconfigure and work around the detected fault.
Token Ring (802.5)
Multilevel Switching
Private Branch Exchange (PBX)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
34. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same cable.
Simplex: One direction.
Bus Topology
IPv6
Bluejacking
35. Set of rules that dictates how computer communicate over networks.
Definition of Protocol
Token Ring (802.5)
Twisted Pair Cables
OSI Layer 6: Presentation
36. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Point-To-Point (PPP)
Tree Topology
Commonly used in logical bus - Ethernet - token ring.
Password Authentication Protocol (PAP)
37. Communication devices that determine synchronization scheme before data transmission.
Dual-Homed Firewall
Synchronous Communication
Virtual Private Network (VPN)
Layer 2 Tunneling Protocol (L2TP)
38. 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.
Serial Line Internet Protocol (SLIP)
ThinNet - aka 10base2
OSI Layer 4: Transport Layer
Packet Switching
39. Standard that addresses wireless MAN technologies.
Channel Service Unit/Data Service Unit (CSU/DSU)
802.16
Application Proxy Firewall
Proxy Firewall Strengths
40. 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.
Blue Boxing
Ethernet (802.3)
OSI Layer 5: Session Layer
DOS attacks from flooding
41. 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.
IPv6
Committed Information Rate (CIR)
Synchronous Optical Networks (SONETS)
VoIP
42. 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.
Open Relay
Virtual Private Network (VPN)
Noise
Token Ring (802.5)
43. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
Loki Attack
Proxy Firewall
SPIM
Switched Virtual Circuit (SVC)
44. 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)
Point-To-Point Tunneling Protocol (PPTP)
Noise
Dual-Homed Firewall
45. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
Half-Duplex
Trunk Lines
Packet Filtering Firewall
Switched Virtual Circuit (SVC)
46. 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.
Point-To-Point (PPP)
Trunk Lines
Screened Host Firewall
Switched Virtual Circuit (SVC)
47. Type of network layout that separates and group computers logically.
ThinNet - aka 10base2
VLAN
Subnetting
802.11i
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
Simplex: One direction.
Proxy Firewall Strengths
Twisted Pair Cables
Commonly used in logical bus - Ethernet - token ring.
49. 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.
OSI Layer 2: Data Link Layer
Plenum-rated Cables
Token Passing
Commonly used in Ethernet.
50. 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
OSI Layer 2: Data Link Layer
Kernel Proxy Firewall
Multistation Access Unit (MAU)
Definition of Protocol