SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Permanent Virtual Circuit (PVC)
Open Relay
OSI Layer 6: Presentation
Point-To-Point (PPP)
2. 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.
Full-Duplex
Fiber-optic Cables
OSI Data encapsulation
Layers in the OSI Model
3. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
ThickNet - aka 10base5.
DOS attacks from flooding
Packet Filtering Firewall
ICMP (Internet Control Message Protocol)
4. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
Distributed Environment Challenge
802.11
TCP
Multistation Access Unit (MAU)
5. 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.
Extensible Authentication Protocol (EAP)
OSI Layer 6: Presentation
Classless inter-domain routing (CIDR)
Port Numbers
6. 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.
802.11i
Application Proxy vs. Circuit Level
Reverse Address Resolution Protocol (RARP )
Commonly used in Ethernet.
7. 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
Network Address Translator (NAT)
Isochronous Communication Processes
High Level Data Link Control (HLDC)
Synchronous Data Link Control (SDLC)
8. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
UDP
Challenge Handshake Authentication Protocol (CHAP)
Bus Topology
Spread Spectrum
9. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
Spam over Internet Telephony (SPIT)
Password Authentication Protocol (PAP)
Point-To-Point (PPP)
Network Address Translator (NAT)
10. Type of network layout that is a large geographical region connecting more that one LAN.
OSI Layer 5: Session Layer
Stateful Firewall
Wide Area Network (WAN)
FDDI-2
11. 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.
802.11
Integrated Services Digital Network (ISDN)
Switch
Stateful Firewall
12. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
IPSec
802.11
802.11a
Commonly used in Ethernet.
13. OSI layer that has services and protocols required by the user's applications for network functionality. Example protocols include HTTP - SMTP - FTP - Telnet.
Definition of Protocol
Asynchronous Communication
OSI Layer 7: Application
ARP Poisoning
14. Wireless standard that will improve security of wireless communication
Mesh Topology
Committed Information Rate (CIR)
ARP (Address Resolution Protocol)
802.11i
15. 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 6: Presentation
LLC (Logical Link Control - 802.2)
Point-To-Point Tunneling Protocol (PPTP)
Application Proxy Firewall
16. 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.
Screened Host Firewall
Fiber Distributed Data Interface (FDDI)
Packet Switching
Dynamic Packet Filtering
17. New variant to traditional email spam on VoIP networks.
Open Relay
Noise
Iterated Association
Spam over Internet Telephony (SPIT)
18. 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
Star Topology
802.11i
Digital Subscriber Line (DSL)
19. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
Point-To-Point (PPP)
Bridge
802.11a
Definition of Protocol
20. 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
Fiber-optic Cables
Password Authentication Protocol (PAP)
Multi-protocol Label Switching
Frame Relay
21. Protocol for allowing multi-cast (one to many) communication
10baseT
DNS (Domain Name System)
Integrated Services Digital Network (ISDN)
IGMP
22. More complexity and drastically increases the difficultly of access control. Many different devices - services - and users make it difficult to know which entities to trust and to what degree.
Mesh Topology
802.11i
Distributed Environment Challenge
Bluejacking
23. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
Port Numbers
Frame Relay
Spread Spectrum
UDP
24. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Token Passing
Coaxial Cables
Full-Duplex
X.25
25. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.
VoIP
Frequency Hopping Spread Spectrum (FHSS)
802.15
Permanent Virtual Circuit (PVC)
26. 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.
Packet Filtering Firewall
Spam over Internet Telephony (SPIT)
Isochronous Communication Processes
Direct Sequence Spread Spectrum (DSSS)
27. 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).
Token Ring (802.5)
FDDI-2
IPSec
Noise
28. Application layer request/response protocol widely used for VoIP communication sessions. Transported by UDP - makes use of TCP - and is vulnerable to sniffing attacks.
Token Passing
Trunk Lines
Session Initiation Protocol (SIP)
Open System Authentication (OSA)
29. Protocol that increases address size from 32 bits to 128 bits
Network Address Translator (NAT)
Commonly used in Ethernet.
IPv6
Channel Service Unit/Data Service Unit (CSU/DSU)
30. Problems: Central device is a single point of failure.
Asynchronous Communication
Classless inter-domain routing (CIDR)
Star Topology
Wireless Application Protocol (WAP)
31. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
Ethernet (802.3)
Channel Service Unit/Data Service Unit (CSU/DSU)
ThinNet - aka 10base2
Blue Boxing
32. 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.
Router
Commonly used in logical bus - Ethernet - token ring.
Dynamic Packet Filtering
OSI Layer 6: Presentation
33. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Blue Boxing
SPIM
Asynchronous Communication
Shared Key Authentication (SKA)
34. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
IPv6
Shared Key Authentication (SKA)
Kernel Proxy Firewall
DOS attacks from flooding
35. 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
Wireless Application Protocol (WAP)
Packet Switching
OSI Layer 2: Data Link Layer
Fiber-optic Cables
36. Type of cabling problem signals from one wire crossing over to another wire.
X.25
Ring Topology
Crosstalk
Router
37. 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)
Screened Sub-Net
Network Address Translator (NAT)
Spread Spectrum
38. Protocol that translates a MAC address into an IP address.
Fiber-optic Cables
802.11b
Reverse Address Resolution Protocol (RARP )
Layers in the OSI Model
39. 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
Layer 2 Tunneling Protocol (L2TP)
802.16
Committed Information Rate (CIR)
Packet Switching
40. 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.
Temporal Key Integrity Protocol (TKIP)
Trunk Lines
Permanent Virtual Circuit (PVC)
SPIM
41. 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.
Committed Information Rate (CIR)
Metropolitan Area Network (MAN)
Packet Switching
DNS (Domain Name System)
42. 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
Synchronous Optical Networks (SONETS)
Ring Topology
Cable Modem
43. 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.
OSI Layer 6: Presentation
Token Ring (802.5)
Point-To-Point (PPP)
Router
44. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
Cable Modem
Layer 2 Tunneling Protocol (L2TP)
ThickNet - aka 10base5.
Synchronous Data Link Control (SDLC)
45. Type of host that is locked down - hardened - system. Systems installed in the DMZ (firewalls - servers) should be installed on this type of host.
Distributed Environment Challenge
VLAN
802.15
Bastion Host
46. VPN protocol that can run in other networks (frame relay - X.25 - ATM). Does not provide encryption - lacks the security to be called a true "VPN" solution.
Cable Modem
Layer 2 Tunneling Protocol (L2TP)
Bluejacking
T3
47. 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.
Pulse Code Modulation (PCM)
802.11a
IGMP
X.25
48. SMTP server that is configured for sending email from any source to and destination.
Wireless Application Protocol (WAP)
Open Relay
VoIP
Attenuation
49. 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).
Definition of Protocol
Channel Service Unit/Data Service Unit (CSU/DSU)
Mesh Topology
802.15
50. Communication devices that determine synchronization scheme before data transmission.
Frame Relay
OSI Layer 7: Application
Synchronous Communication
Star Topology