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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. Network segment name for a DMZ created by two physical firewalls.
Router
Bastion Host
TCP
Screened Sub-Net
2. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
Challenge Handshake Authentication Protocol (CHAP)
Iterated Association
Bluejacking
Mesh Topology
3. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Definition of Protocol
Attenuation
OSI Layer 5: Session Layer
Dynamic Packet Filtering
4. 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
Fiber-optic Cables
Circuit Switching
Commonly used in logical bus - Ethernet - token ring.
5. OSI layer that has services and protocols required by the user's applications for network functionality. Example protocols include HTTP - SMTP - FTP - Telnet.
VLAN
Bluejacking
OSI Layer 7: Application
Layer 2 Tunneling Protocol (L2TP)
6. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'
Layers in the OSI Model
Token Ring (802.5)
UDP
Twisted Pair Cables
7. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
ThinNet - aka 10base2
Screened Host Firewall
Mesh Topology
Classless inter-domain routing (CIDR)
8. 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
Token Ring (802.5)
Frequency Hopping Spread Spectrum (FHSS)
802.16
9. Identifys a WLAN. Can be used to segment environments into different WLANS.
Service Set ID (SSID)
Bluejacking
Synchronous Optical Networks (SONETS)
Spam over Internet Telephony (SPIT)
10. Wireless communication that distributes individual signals across the allocated frequencies.
802.16
TCP
Spread Spectrum
DNS (Domain Name System)
11. 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
Blue Boxing
Token Passing
Reverse Address Resolution Protocol (RARP )
Switch
12. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Classless inter-domain routing (CIDR)
Direct Sequence Spread Spectrum (DSSS)
Challenge Handshake Authentication Protocol (CHAP)
Layers in the OSI Model
13. 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.
Port Numbers
Committed Information Rate (CIR)
Multilevel Switching
802.15
14. 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.
Wide Area Network (WAN)
DNS (Domain Name System)
ICMP (Internet Control Message Protocol)
Trunk Lines
15. 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.
Committed Information Rate (CIR)
Synchronous Optical Networks (SONETS)
Ethernet (802.3)
DOS attacks from flooding
16. Communication devices that determine synchronization scheme before data transmission.
Synchronous Communication
ICMP (Internet Control Message Protocol)
Channel Service Unit/Data Service Unit (CSU/DSU)
Router
17. Type of firewall that lies between the perimeter router and and LAN.
Simplex: One direction.
Ring Topology
Screened Host Firewall
Fiber-optic Cables
18. 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.
Repeaters
Frame Relay
Isochronous Communication Processes
Virtual Private Network (VPN)
19. 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.
ThinNet - aka 10base2
Wired Equivalent Privacy (WEP)
IPSec
20. SMTP server that is configured for sending email from any source to and destination.
VLAN
Open Relay
Cable Modem
Layer 2 Tunneling Protocol (L2TP)
21. Type of network device that is the simplest type of connectivity because it only repeats and amplifies electric signals between cable segments. Works at the physical layer.
802.16
Router
Repeaters
Spam over Internet Telephony (SPIT)
22. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
Attenuation
Classless inter-domain routing (CIDR)
Noise
Tree Topology
23. 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
Stateful Firewall
Plenum-rated Cables
Attenuation
24. 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.
Spam over Internet Telephony (SPIT)
802.15
Tree Topology
Virtual Private Network (VPN)
25. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
Spam over Internet Telephony (SPIT)
DOS attacks from flooding
OSI Layer 7: Application
TCP
26. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Password Authentication Protocol (PAP)
Stateful Firewall
Commonly used in logical bus - Ethernet - token ring.
OSI Data encapsulation
27. 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.
Integrated Services Digital Network (ISDN)
ARP Poisoning
Screened Host Firewall
Wireless Application Protocol (WAP)
28. Protocol that increases address size from 32 bits to 128 bits
Multistation Access Unit (MAU)
Stateful Firewall
Ring Topology
IPv6
29. Protocol for allowing multi-cast (one to many) communication
Switched Virtual Circuit (SVC)
IGMP
Attenuation
SPIM
30. Type of firewall that uses a proxy for each service and can understand and make decisions on the protocols used and the commands within those protocols - runs at the application layer.
OSI Layer 5: Session Layer
Application Proxy Firewall
Star Topology
X.25
31. Protocol that translates IP address into a MAC address (physical Ethernet address)
Session Initiation Protocol (SIP)
X.25
ARP (Address Resolution Protocol)
Cable Modem
32. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
802.11b
Permanent Virtual Circuit (PVC)
Attenuation
OSI Layer 2: Data Link Layer
33. Communication devices that are not synchronized - meaning all devices can send data at will - send a sequence of bits framed with a start and stop bit.
Noise
ICMP (Internet Control Message Protocol)
Spam over Internet Telephony (SPIT)
Asynchronous Communication
34. Type of LAN and MAN technology - usually used for backbones - that uses token-passing technology and has redundant rings in case the primary ring goes down.
Cable Modem
Password Authentication Protocol (PAP)
Fiber Distributed Data Interface (FDDI)
ARP (Address Resolution Protocol)
35. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
Pulse Code Modulation (PCM)
Dynamic Packet Filtering
Shared Key Authentication (SKA)
Definition of Protocol
36. Application layer request/response protocol widely used for VoIP communication sessions. Transported by UDP - makes use of TCP - and is vulnerable to sniffing attacks.
Bastion Host
Session Initiation Protocol (SIP)
Wide Area Network (WAN)
OSI Layer 2: Data Link Layer
37. 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.
Simplex: One direction.
ThinNet - aka 10base2
Point-To-Point Tunneling Protocol (PPTP)
Frequency Hopping Spread Spectrum (FHSS)
38. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
10baseT
Application Proxy vs. Circuit Level
Proxy Firewall Strengths
Noise
39. Set of rules that dictates how computer communicate over networks.
Pulse Code Modulation (PCM)
Source Routing
ARP (Address Resolution Protocol)
Definition of Protocol
40. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Permanent Virtual Circuit (PVC)
Bridge
Kernel Proxy Firewall
Point-To-Point Tunneling Protocol (PPTP)
41. 4: Application - 3: Host-to-Host - 2: Internet - 1: Network Access - 3 -1 -1 -2 will map to the OSI model.
Fiber-optic Cables
Layers in the TCP/IP Model
DOS attacks from flooding
CBC-MAC Protocol (CCMP)
42. In a token ring network - each computer is connected to this - which acts as a central hub.
Token Ring (802.5)
Token Passing
Multistation Access Unit (MAU)
OSI Layer 3: Network Layer
43. 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.
Subnetting
Synchronous Optical Networks (SONETS)
Carrier sense multiple access with collision detection (CSMA/CD)
Point-To-Point (PPP)
44. 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.
Virtual Private Network (VPN)
Half-Duplex
OSI Layer 5: Session Layer
802.11
45. Communication process that must deliver data with set time constraints. Applications are typically video related where audio and must match perfectly. VoIP is another example.
Crosstalk
Isochronous Communication Processes
Reverse Address Resolution Protocol (RARP )
Direct Sequence Spread Spectrum (DSSS)
46. 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
ThinNet - aka 10base2
OSI Layer 3: Network Layer
Private Branch Exchange (PBX)
Wireless Application Protocol (WAP)
47. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
802.15
Coaxial Cables
Shared Key Authentication (SKA)
Plenum-rated Cables
48. 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
Switch
10baseT
Synchronous Data Link Control (SDLC)
49. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
Permanent Virtual Circuit (PVC)
Integrated Services Digital Network (ISDN)
T1
SPIM
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.
OSI Data encapsulation
Distributed Environment Challenge
Wired Equivalent Privacy (WEP)
802.15