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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. Identifys a WLAN. Can be used to segment environments into different WLANS.
Subnetting
Twisted Pair Cables
Layers in the TCP/IP Model
Service Set ID (SSID)
2. 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.
Extensible Authentication Protocol (EAP)
Multi-protocol Label Switching
Layer 2 Tunneling Protocol (L2TP)
Application Proxy vs. Circuit Level
3. New variant to traditional email spam on VoIP networks.
Virtual Private Network (VPN)
Commonly used in logical bus - Ethernet - token ring.
IPSec
Spam over Internet Telephony (SPIT)
4. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Ring Topology
Plenum-rated Cables
Reverse Address Resolution Protocol (RARP )
Commonly used in logical bus - Ethernet - token ring.
5. Wireless standard that will improve security of wireless communication
Twisted Pair Cables
Multilevel Switching
802.11i
Point-To-Point Tunneling Protocol (PPTP)
6. 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.
10baseT
OSI Layer 6: Presentation
Tree Topology
Application Proxy Firewall
7. An older protocol that was used by ISP's to encapsulate data to be sent over dial up connections
Serial Line Internet Protocol (SLIP)
Remote Access Servers
Fiber Distributed Data Interface (FDDI)
Point-To-Point Tunneling Protocol (PPTP)
8. 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
CBC-MAC Protocol (CCMP)
Open System Authentication (OSA)
9. 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
Proxy Firewall Strengths
Point-To-Point (PPP)
Proxy Firewall
Bluejacking
10. Protocol that translates a MAC address into an IP address.
Multilevel Switching
Synchronous Communication
OSI Layer 6: Presentation
Reverse Address Resolution Protocol (RARP )
11. 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.
Application Proxy vs. Circuit Level
Circuit Level Proxy Firewall
Twisted Pair Cables
Coaxial Cables
12. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Source Routing
Multi-protocol Label Switching
Blue Boxing
Definition of Protocol
13. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
T3
ARP (Address Resolution Protocol)
OSI Layer 7: Application
Full-Duplex
14. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.
Dedicated Links
Carrier sense multiple access with collision detection (CSMA/CD)
Committed Information Rate (CIR)
Asynchronous Transfer Mode (ATM)
15. Protocol that translates IP address into a MAC address (physical Ethernet address)
ARP (Address Resolution Protocol)
Iterated Association
Private Branch Exchange (PBX)
Tree Topology
16. 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).
Dual-Homed Firewall
Mesh Topology
Wide Area Network (WAN)
Channel Service Unit/Data Service Unit (CSU/DSU)
17. 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.
Definition of Protocol
Screened Sub-Net
Virtual Private Network (VPN)
Integrated Services Digital Network (ISDN)
18. Wireless communication that distributes individual signals across the allocated frequencies.
UDP
Tree Topology
Spread Spectrum
Commonly used in logical bus - Ethernet - token ring.
19. 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
Loki Attack
Open Relay
X.25
Switch
20. 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.
VLAN
OSI Layer 3: Network Layer
ARP (Address Resolution Protocol)
Dynamic Packet Filtering
21. 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
ICMP (Internet Control Message Protocol)
Ethernet (802.3)
ARP (Address Resolution Protocol)
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.
VoIP
OSI Layer 6: Presentation
ICMP (Internet Control Message Protocol)
X.25
23. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
Committed Information Rate (CIR)
ThinNet - aka 10base2
Ring Topology
High Level Data Link Control (HLDC)
24. 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.
T1
Packet Filtering Firewall
Fiber-optic Cables
Direct Sequence Spread Spectrum (DSSS)
25. 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.
Coaxial Cables
OSI Data encapsulation
Circuit Switching
Application Proxy vs. Circuit Level
26. 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.
IGMP
Trunk Lines
Extensible Authentication Protocol (EAP)
Ethernet (802.3)
27. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Metropolitan Area Network (MAN)
IPv6
Spread Spectrum
Remote Access Servers
28. Type of authentication protocol that provides a framework to enable may types of authentication techniques to be used during PPP connections. It extends the possibilities to one-time passwords - token cards - biometrics - Kerberos - and digital certi
Simplex: One direction.
Private Branch Exchange (PBX)
Extensible Authentication Protocol (EAP)
Commonly used in Internet.
29. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
TCP
Fiber Distributed Data Interface (FDDI)
FDDI-2
Token Ring (802.5)
30. 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.
Blue Boxing
OSI Layer 5: Session Layer
Multilevel Switching
Metropolitan Area Network (MAN)
31. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Crosstalk
Packet Filtering Firewall
Challenge Handshake Authentication Protocol (CHAP)
Virtual Private Network (VPN)
32. Type of network layout that is a large geographical region connecting more that one LAN.
Frequency Hopping Spread Spectrum (FHSS)
Dual-Homed Firewall
Simplex: One direction.
Wide Area Network (WAN)
33. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
TCP
Port Numbers
VLAN
Commonly used in Internet.
34. Type of firewall that lies between the perimeter router and and LAN.
Screened Host Firewall
Commonly used in FDDI.
Channel Service Unit/Data Service Unit (CSU/DSU)
Loki Attack
35. Type of host that is locked down - hardened - system. Systems installed in the DMZ (firewalls - servers) should be installed on this type of host.
Isochronous Communication Processes
Bastion Host
Packet Filtering Firewall
Port Numbers
36. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
802.11b
Bridge
T3
Crosstalk
37. Problems: Requires more expense in cabling and extra effort to track down cable faults.
Mesh Topology
Classless inter-domain routing (CIDR)
Simplex: One direction.
Repeaters
38. Both directions - both applications can send information at a time. Session Layer Communication Modes
Bridge
802.15
Definition of Protocol
Full-Duplex
39. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same cable.
Bus Topology
Carrier sense multiple access with collision detection (CSMA/CD)
Direct Sequence Spread Spectrum (DSSS)
802.11b
40. Type of topology where computers all are connected to each other - which provides redundancy.
Integrated Services Digital Network (ISDN)
Commonly used in Internet.
Extensible Authentication Protocol (EAP)
Screened Sub-Net
41. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
X.25
802.15
10baseT
Frame Relay
42. 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.
Switched Virtual Circuit (SVC)
Point-To-Point Tunneling Protocol (PPTP)
802.11
VoIP
43. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.
VoIP
Iterated Association
Frame Relay
Application Proxy Firewall
44. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
Isochronous Communication Processes
OSI Layer 2: Data Link Layer
Bluejacking
Open Relay
45. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
Reverse Address Resolution Protocol (RARP )
Point-To-Point (PPP)
Bluejacking
Wired Equivalent Privacy (WEP)
46. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.
Password Authentication Protocol (PAP)
Fiber Distributed Data Interface (FDDI)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Coaxial Cables
47. 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.
CBC-MAC Protocol (CCMP)
Cable Modem
Iterated Association
OSI Layer 4: Transport Layer
48. 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)
OSI Layer 1: Physical
Layer 2 Tunneling Protocol (L2TP)
802.11
49. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Attenuation
OSI Layer 3: Network Layer
Synchronous Communication
802.16
50. 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.
Simplex: One direction.
Trunk Lines
OSI Data encapsulation
T3