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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
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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. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Repeaters
ThickNet - aka 10base5.
Permanent Virtual Circuit (PVC)
Port Numbers
2. 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.
802.11i
Commonly used in logical bus - Ethernet - token ring.
Repeaters
Password Authentication Protocol (PAP)
3. 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.
Open Relay
Blue Boxing
T3
Fiber Distributed Data Interface (FDDI)
4. Type of network device that divides networks into more controllable segments to ensure more efficient use of bandwidth. Works at the data link layer and understands MAC addresses - not IP addresses.
Asynchronous Communication
Bridge
802.16
OSI Layer 6: Presentation
5. 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)
Asynchronous Communication
Bridge
Noise
6. In a token ring network - each computer is connected to this - which acts as a central hub.
Multistation Access Unit (MAU)
Synchronous Communication
ARP (Address Resolution Protocol)
Classless inter-domain routing (CIDR)
7. 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.
Commonly used in Ethernet.
Cable Modem
Tree Topology
Screened Sub-Net
8. Malware attack that sends commands inside of an ICMP packet.
Proxy Firewall
10baseT
Application Proxy vs. Circuit Level
Loki Attack
9. Type of topology where computers all are connected to each other - which provides redundancy.
Service Set ID (SSID)
Half-Duplex
Bluejacking
Commonly used in Internet.
10. 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
Fiber Distributed Data Interface (FDDI)
ICMP (Internet Control Message Protocol)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
11. Type of network device that links 2 or more network segments - where each segment can function as an independent network. Works at the network layer - works with IP addresses - and has more network knowledge than the other hardware.
Router
802.11b
Extensible Authentication Protocol (EAP)
Twisted Pair Cables
12. 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.
CBC-MAC Protocol (CCMP)
OSI Layer 5: Session Layer
802.11
Switched Virtual Circuit (SVC)
13. A technique that allows multiple layers of nesting. Example - IPSec tunnel can originate or terminate at a different IPSec site along the way.
Wide Area Network (WAN)
Stateful Firewall
Iterated Association
Kernel Proxy Firewall
14. 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).
Channel Service Unit/Data Service Unit (CSU/DSU)
Plenum-rated Cables
OSI Layer 7: Application
Star Topology
15. 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.
Isochronous Communication Processes
Service Set ID (SSID)
802.11i
Wireless Application Protocol (WAP)
16. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
Shared Key Authentication (SKA)
Digital Subscriber Line (DSL)
Token Ring (802.5)
Token Passing
17. Set of rules that dictates how computer communicate over networks.
Direct Sequence Spread Spectrum (DSSS)
Multistation Access Unit (MAU)
LLC (Logical Link Control - 802.2)
Definition of Protocol
18. Type of network layout that is a large geographical region connecting more that one LAN.
Wide Area Network (WAN)
Port Numbers
Session Initiation Protocol (SIP)
Packet Filtering Firewall
19. 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.
ICMP (Internet Control Message Protocol)
Commonly used in logical bus - Ethernet - token ring.
ARP Poisoning
Asynchronous Communication
20. New variant to traditional email spam on VoIP networks.
Wired Equivalent Privacy (WEP)
SPIM
Serial Line Internet Protocol (SLIP)
Spam over Internet Telephony (SPIT)
21. Type of network layout that separates and group computers logically.
VLAN
DNS (Domain Name System)
Commonly used in logical bus - Ethernet - token ring.
Mesh Topology
22. SMTP server that is configured for sending email from any source to and destination.
Port Numbers
802.11a
High Level Data Link Control (HLDC)
Open Relay
23. 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)
Committed Information Rate (CIR)
Packet Switching
Shared Key Authentication (SKA)
24. Wireless communication that distributes individual signals across the allocated frequencies.
Direct Sequence Spread Spectrum (DSSS)
UDP
Spread Spectrum
ARP (Address Resolution Protocol)
25. Developed to replace the aging telephone and analog systems. BRI rate that uses two B channels (send/receive) - and one D channel (control information) - and PRI rate that uses up to 23 B channels. Supports voice - data - and video. Provides up to 1.
Star Topology
ThinNet - aka 10base2
ThickNet - aka 10base5.
Integrated Services Digital Network (ISDN)
26. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
802.11b
ARP Poisoning
Network Address Translator (NAT)
10baseT
27. Type of switch that uses tags that are assigned to each destination network. The network compares the tag with its tag information base - appends the appropriate tag - and forwards to the next switch. This increases the transmission speed - allows la
Permanent Virtual Circuit (PVC)
Router
Multi-protocol Label Switching
Kernel Proxy Firewall
28. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
Dedicated Links
Fiber Distributed Data Interface (FDDI)
Commonly used in FDDI.
OSI Layer 2: Data Link Layer
29. In the OSI layer 5 - these are the types of what?
Twisted Pair Cables
OSI Layer 5: Session Layer
Pulse Code Modulation (PCM)
Simplex: One direction.
30. Communication devices that determine synchronization scheme before data transmission.
Metropolitan Area Network (MAN)
Synchronous Communication
Multistation Access Unit (MAU)
Isochronous Communication Processes
31. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
LLC (Logical Link Control - 802.2)
Frame Relay
Bluejacking
Application Proxy Firewall
32. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
802.11
Coaxial Cables
T3
FDDI-2
33. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
X.25
Dual-Homed Firewall
VLAN
SOCKS Firewall
34. 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).
Distributed Environment Challenge
Frequency Hopping Spread Spectrum (FHSS)
IPSec
Kernel Proxy Firewall
35. 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.
802.16
802.11b
Point-To-Point (PPP)
Tree Topology
36. 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
Coaxial Cables
Synchronous Data Link Control (SDLC)
Bastion Host
Asynchronous Communication
37. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Tree Topology
Synchronous Optical Networks (SONETS)
Carrier sense multiple access with collision detection (CSMA/CD)
Attenuation
38. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
Screened Host Firewall
Port Numbers
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
802.11
39. Type of firewall that keeps track of each communication session. It must maintain a state table that contains data about each connection. 3rd generation firewall - runs at the network layer.
Private Branch Exchange (PBX)
Channel Service Unit/Data Service Unit (CSU/DSU)
Stateful Firewall
Multilevel Switching
40. Wireless communication that splits total amount of bandwidth into smaller sub-channels. Send and receiver work in one of the channels for a period of time - and then move into a different channel. It uses a portion of the bandwidth - throughput of 1-
Fiber-optic Cables
Frequency Hopping Spread Spectrum (FHSS)
Iterated Association
OSI Data encapsulation
41. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
Stateful Firewall
T1
Proxy Firewall Strengths
X.25
42. Wireless standard that will improve security of wireless communication
Open System Authentication (OSA)
Plenum-rated Cables
Extensible Authentication Protocol (EAP)
802.11i
43. Protocol where all computers compete for the shard network cable - listen to learn when they can transmit data - susceptible to data collisions. Used by Ethernet.
802.16
Point-To-Point Tunneling Protocol (PPTP)
Carrier sense multiple access with collision detection (CSMA/CD)
Bluejacking
44. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Challenge Handshake Authentication Protocol (CHAP)
Wired Equivalent Privacy (WEP)
Multistation Access Unit (MAU)
Frame Relay
45. 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.
Distributed Environment Challenge
Simplex: One direction.
Port Numbers
Dedicated Links
46. Type of cabling problem signals from one wire crossing over to another wire.
DNS (Domain Name System)
Mesh Topology
Crosstalk
Proxy Firewall
47. Type of host that is locked down - hardened - system. Systems installed in the DMZ (firewalls - servers) should be installed on this type of host.
Spread Spectrum
Bastion Host
Dynamic Packet Filtering
OSI Layer 6: Presentation
48. Protocol that translates a MAC address into an IP address.
Subnetting
Coaxial Cables
Reverse Address Resolution Protocol (RARP )
Kernel Proxy Firewall
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.
Plenum-rated Cables
CBC-MAC Protocol (CCMP)
Bridge
Asynchronous Transfer Mode (ATM)
50. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
Wireless Application Protocol (WAP)
Proxy Firewall
Committed Information Rate (CIR)
UDP