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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. Protocol that increases address size from 32 bits to 128 bits
OSI Data encapsulation
Crosstalk
IPv6
Ring Topology
2. 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.
Spread Spectrum
Synchronous Optical Networks (SONETS)
Service Set ID (SSID)
Bridge
3. Identifys a WLAN. Can be used to segment environments into different WLANS.
SPIM
Service Set ID (SSID)
Fiber-optic Cables
Remote Access Servers
4. 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
802.16
Star Topology
Switch
Switched Virtual Circuit (SVC)
5. Application layer request/response protocol widely used for VoIP communication sessions. Transported by UDP - makes use of TCP - and is vulnerable to sniffing attacks.
Session Initiation Protocol (SIP)
T3
Serial Line Internet Protocol (SLIP)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
6. Type of network layout that is a large geographical region connecting more that one LAN.
Session Initiation Protocol (SIP)
Committed Information Rate (CIR)
OSI Layer 1: Physical
Wide Area Network (WAN)
7. 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.
802.11b
Commonly used in Ethernet.
Proxy Firewall Strengths
Synchronous Data Link Control (SDLC)
8. 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.
Integrated Services Digital Network (ISDN)
ThickNet - aka 10base5.
IPv6
Serial Line Internet Protocol (SLIP)
9. Device used within companies to provide multiple services to users throughout a building or facility. Example - dialing 9 to place outbound phone calls. Security concerns: default configurations and passwords - maintenance modems disabled - unused co
Direct Sequence Spread Spectrum (DSSS)
Private Branch Exchange (PBX)
ThinNet - aka 10base2
Distributed Environment Challenge
10. An older protocol that was used by ISP's to encapsulate data to be sent over dial up connections
Serial Line Internet Protocol (SLIP)
Multi-protocol Label Switching
Simplex: One direction.
Star Topology
11. New variant to traditional email spam on VoIP networks.
Service Set ID (SSID)
Commonly used in FDDI.
802.15
Spam over Internet Telephony (SPIT)
12. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Dynamic Packet Filtering
Noise
DNS (Domain Name System)
Wide Area Network (WAN)
13. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
Synchronous Data Link Control (SDLC)
Commonly used in Internet.
Screened Host Firewall
ThinNet - aka 10base2
14. Protocol that translates IP address into a MAC address (physical Ethernet address)
ARP (Address Resolution Protocol)
Proxy Firewall Strengths
T3
OSI Data encapsulation
15. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
VLAN
Bluejacking
Commonly used in FDDI.
OSI Layer 3: Network Layer
16. 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.
Metropolitan Area Network (MAN)
Classless inter-domain routing (CIDR)
ICMP (Internet Control Message Protocol)
Password Authentication Protocol (PAP)
17. 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
Source Routing
Simplex: One direction.
Wired Equivalent Privacy (WEP)
18. 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
DOS attacks from flooding
Private Branch Exchange (PBX)
802.11b
19. 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.
IPSec
Tree Topology
802.15
Multi-protocol Label Switching
20. 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.
ARP Poisoning
Ring Topology
Virtual Private Network (VPN)
OSI Layer 2: Data Link Layer
21. 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.
Metropolitan Area Network (MAN)
Packet Filtering Firewall
SPIM
Wide Area Network (WAN)
22. Spam over IM
Classless inter-domain routing (CIDR)
Cable Modem
SPIM
Password Authentication Protocol (PAP)
23. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
T1
Source Routing
Screened Sub-Net
Token Ring (802.5)
24. 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.
Multistation Access Unit (MAU)
Loki Attack
Stateful Firewall
X.25
25. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
Synchronous Communication
TCP
DNS (Domain Name System)
Password Authentication Protocol (PAP)
26. 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.
Stateful Firewall
802.11a
Dynamic Packet Filtering
OSI Layer 1: Physical
27. 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
Layers in the TCP/IP Model
Layer 2 Tunneling Protocol (L2TP)
High Level Data Link Control (HLDC)
28. Protocol for allowing multi-cast (one to many) communication
Dual-Homed Firewall
ARP (Address Resolution Protocol)
IGMP
Point-To-Point (PPP)
29. 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.
Password Authentication Protocol (PAP)
Tree Topology
Point-To-Point Tunneling Protocol (PPTP)
Wired Equivalent Privacy (WEP)
30. 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.
Blue Boxing
Ethernet (802.3)
T1
Trunk Lines
31. 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
Fiber Distributed Data Interface (FDDI)
Half-Duplex
Definition of Protocol
Synchronous Data Link Control (SDLC)
32. 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.
Extensible Authentication Protocol (EAP)
Repeaters
Isochronous Communication Processes
Open Relay
33. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
Commonly used in FDDI.
Synchronous Optical Networks (SONETS)
Plenum-rated Cables
UDP
34. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.
Packet Switching
Definition of Protocol
Password Authentication Protocol (PAP)
802.11b
35. 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.
802.11
Spam over Internet Telephony (SPIT)
Frame Relay
Blue Boxing
36. 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
Pulse Code Modulation (PCM)
CBC-MAC Protocol (CCMP)
Commonly used in logical bus - Ethernet - token ring.
37. 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.
Circuit Level Proxy Firewall
Half-Duplex
Commonly used in Internet.
OSI Layer 7: Application
38. 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
Proxy Firewall Strengths
X.25
Wireless Application Protocol (WAP)
39. 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).
OSI Layer 3: Network Layer
Half-Duplex
Open System Authentication (OSA)
Channel Service Unit/Data Service Unit (CSU/DSU)
40. Layer 3 - layer 4 - and other layer switches have more enhanced functionality than layer 2 switches. Combines switching and routing technologies - packet inspection - traffic prioritization - and quality of service (QoS).
Multilevel Switching
X.25
Frequency Hopping Spread Spectrum (FHSS)
Reverse Address Resolution Protocol (RARP )
41. This network technology determines which system will send data based on which one has the token.
Token Passing
Open System Authentication (OSA)
802.16
IGMP
42. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
IPSec
ARP Poisoning
T3
Classless inter-domain routing (CIDR)
43. Protocol stack used instead of TCP/IP on wireless devices. The "gap" in this protocol involves translating its secure traffic to SSL or TLS - which is typically done by a 3rd party.
Token Ring (802.5)
Distributed Environment Challenge
Wireless Application Protocol (WAP)
DNS (Domain Name System)
44. 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.
OSI Layer 2: Data Link Layer
Point-To-Point (PPP)
Noise
Application Proxy vs. Circuit Level
45. 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
802.11b
Synchronous Communication
Multi-protocol Label Switching
Extensible Authentication Protocol (EAP)
46. 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.
Fiber-optic Cables
Source Routing
Full-Duplex
Token Passing
47. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
Bluejacking
T3
Circuit Switching
Ring Topology
48. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
DNS (Domain Name System)
Wireless Application Protocol (WAP)
IPSec
Password Authentication Protocol (PAP)
49. Standard that outlines wireless personal area network (WPAN) technologies.
Screened Sub-Net
ThickNet - aka 10base5.
802.15
Direct Sequence Spread Spectrum (DSSS)
50. 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)
Asynchronous Transfer Mode (ATM)
Noise
Point-To-Point Tunneling Protocol (PPTP)