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Test your basic knowledge |
CISSP Telecom And Network Security
Start Test
Study First
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. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
ICMP (Internet Control Message Protocol)
Circuit Switching
Service Set ID (SSID)
Bluejacking
2. 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-
802.15
ICMP (Internet Control Message Protocol)
Bastion Host
Frequency Hopping Spread Spectrum (FHSS)
3. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
Commonly used in Ethernet.
DNS (Domain Name System)
Switched Virtual Circuit (SVC)
Digital Subscriber Line (DSL)
4. Protocol based on the SDLC protocol - except it is an open protocol - supports full-duplex connections - and provides a higher throughput. It also provides polling - which enables secondary units to communicate with primary units.
Blue Boxing
Bus Topology
High Level Data Link Control (HLDC)
Frequency Hopping Spread Spectrum (FHSS)
5. 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.
VoIP
Fiber-optic Cables
Iterated Association
DOS attacks from flooding
6. Type of cable where STP and UTP (shielded and unshielded) cables are the most popular - cheapest - and easiest to work with. However - easiest to tap into - have cross talk issues - and are vulnerable to electromagnetic interference (EMI).
Layers in the OSI Model
DNS (Domain Name System)
OSI Layer 5: Session Layer
Twisted Pair Cables
7. Wireless communication that distributes individual signals across the allocated frequencies.
Frame Relay
Bluejacking
Spread Spectrum
Session Initiation Protocol (SIP)
8. SMTP server that is configured for sending email from any source to and destination.
Fiber Distributed Data Interface (FDDI)
Asynchronous Transfer Mode (ATM)
Challenge Handshake Authentication Protocol (CHAP)
Open Relay
9. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
Network Address Translator (NAT)
Commonly used in logical bus - Ethernet - token ring.
Multistation Access Unit (MAU)
DOS attacks from flooding
10. Type of topology that Uses linear single cable for all computers attached. All traffic travels full cable and can be viewed by all other computers.
Asynchronous Transfer Mode (ATM)
Packet Filtering Firewall
Multistation Access Unit (MAU)
Commonly used in Ethernet.
11. Protocol that translates IP address into a MAC address (physical Ethernet address)
ARP (Address Resolution Protocol)
Shared Key Authentication (SKA)
Pulse Code Modulation (PCM)
Screened Sub-Net
12. Network segment name for a DMZ created by two physical firewalls.
ThickNet - aka 10base5.
Screened Sub-Net
Commonly used in Internet.
Frame Relay
13. Standard that addresses wireless MAN technologies.
ARP Poisoning
Packet Filtering Firewall
802.16
Packet Switching
14. 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.
IGMP
Point-To-Point (PPP)
Pulse Code Modulation (PCM)
Frame Relay
15. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
OSI Layer 3: Network Layer
Bridge
OSI Layer 2: Data Link Layer
Point-To-Point (PPP)
16. 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)
LLC (Logical Link Control - 802.2)
Integrated Services Digital Network (ISDN)
Wired Equivalent Privacy (WEP)
17. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
DNS (Domain Name System)
FDDI-2
10baseT
Blue Boxing
18. Type of backbone network that joins together LAN to other LANs and WANs to LANs - etc. Typically known as Synchronous Optical Networks (SONETS) or FDDI rings.
OSI Data encapsulation
Metropolitan Area Network (MAN)
Channel Service Unit/Data Service Unit (CSU/DSU)
Temporal Key Integrity Protocol (TKIP)
19. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
Coaxial Cables
Carrier sense multiple access with collision detection (CSMA/CD)
TCP
Fiber Distributed Data Interface (FDDI)
20. 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).
IPSec
Half-Duplex
Session Initiation Protocol (SIP)
Screened Sub-Net
21. 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
Dedicated Links
FDDI-2
OSI Layer 2: Data Link Layer
Attenuation
22. Type of network layout that separates and group computers logically.
VLAN
FDDI-2
Commonly used in Internet.
Pulse Code Modulation (PCM)
23. 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
OSI Data encapsulation
Isochronous Communication Processes
Proxy Firewall Strengths
Channel Service Unit/Data Service Unit (CSU/DSU)
24. Protocol for allowing multi-cast (one to many) communication
Token Ring (802.5)
IGMP
Committed Information Rate (CIR)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
25. 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.
Bastion Host
802.16
Open Relay
Application Proxy Firewall
26. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
Isochronous Communication Processes
Loki Attack
Point-To-Point (PPP)
Classless inter-domain routing (CIDR)
27. 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.
Application Proxy vs. Circuit Level
UDP
Switched Virtual Circuit (SVC)
ThickNet - aka 10base5.
28. 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.
Commonly used in Ethernet.
OSI Layer 4: Transport Layer
Proxy Firewall
802.16
29. 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.
Isochronous Communication Processes
Tree Topology
Virtual Private Network (VPN)
VLAN
30. Type of topology where computers all are connected to each other - which provides redundancy.
VLAN
Commonly used in Internet.
Simplex: One direction.
T1
31. 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
OSI Layer 2: Data Link Layer
Cable Modem
Pulse Code Modulation (PCM)
Packet Switching
32. The original technique to digitized voice with 8 bits of sampling 8 -000 times per second - which yields 64 Kbps for one voice channel.
Noise
Pulse Code Modulation (PCM)
Switched Virtual Circuit (SVC)
T1
33. Type of network layout that is a large geographical region connecting more that one LAN.
OSI Layer 1: Physical
Iterated Association
Full-Duplex
Wide Area Network (WAN)
34. 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.
Frequency Hopping Spread Spectrum (FHSS)
Extensible Authentication Protocol (EAP)
Integrated Services Digital Network (ISDN)
UDP
35. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
Frequency Hopping Spread Spectrum (FHSS)
Mesh Topology
Token Ring (802.5)
802.11
36. 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.
Packet Filtering Firewall
OSI Layer 5: Session Layer
ICMP (Internet Control Message Protocol)
Token Ring (802.5)
37. 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)
Multistation Access Unit (MAU)
Multilevel Switching
Dedicated Links
38. Type of host that is locked down - hardened - system. Systems installed in the DMZ (firewalls - servers) should be installed on this type of host.
Packet Filtering Firewall
Half-Duplex
OSI Layer 4: Transport Layer
Bastion Host
39. A technique that allows multiple layers of nesting. Example - IPSec tunnel can originate or terminate at a different IPSec site along the way.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Definition of Protocol
Iterated Association
Full-Duplex
40. OSI layer that has services and protocols required by the user's applications for network functionality. Example protocols include HTTP - SMTP - FTP - Telnet.
Screened Sub-Net
802.11a
Proxy Firewall
OSI Layer 7: Application
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 Data encapsulation
Kernel Proxy Firewall
Open System Authentication (OSA)
LLC (Logical Link Control - 802.2)
42. 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
Plenum-rated Cables
Dedicated Links
Layer 2 Tunneling Protocol (L2TP)
43. Protocol that translates a MAC address into an IP address.
SPIM
LLC (Logical Link Control - 802.2)
SOCKS Firewall
Reverse Address Resolution Protocol (RARP )
44. 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.
Integrated Services Digital Network (ISDN)
Repeaters
SPIM
High Level Data Link Control (HLDC)
45. 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.
Point-To-Point (PPP)
Cable Modem
Circuit Level Proxy Firewall
OSI Layer 7: Application
46. 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.
Crosstalk
Circuit Level Proxy Firewall
Virtual Private Network (VPN)
Metropolitan Area Network (MAN)
47. 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
Frame Relay
OSI Layer 3: Network Layer
Network Address Translator (NAT)
802.11
48. 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.
Source Routing
TCP
Service Set ID (SSID)
IPv6
49. 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.
OSI Layer 4: Transport Layer
Asynchronous Communication
OSI Layer 6: Presentation
Tree Topology
50. 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.
Packet Filtering Firewall
Twisted Pair Cables
802.11a
Switch