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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. Type of firewall that can be compromised if the OS does not have packet forwarding or routing turned off.
Dual-Homed Firewall
Half-Duplex
Fiber-optic Cables
Classless inter-domain routing (CIDR)
2. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
ThickNet - aka 10base5.
Tree Topology
OSI Layer 4: Transport Layer
Session Initiation Protocol (SIP)
3. 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.
Token Ring (802.5)
802.11a
Asynchronous Communication
Virtual Private Network (VPN)
4. 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.
Cable Modem
Challenge Handshake Authentication Protocol (CHAP)
ICMP (Internet Control Message Protocol)
Asynchronous Communication
5. Transmits high speed bandwidth over phone lines. Provides data rates up to 52 Mpbs using line of 1000 feet or less. Must be within 2.5 miles of a central office.
Digital Subscriber Line (DSL)
ARP (Address Resolution Protocol)
Mesh Topology
Subnetting
6. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
ThinNet - aka 10base2
Noise
Ring Topology
Proxy Firewall Strengths
7. Type of topology where computers all are connected to each other - which provides redundancy.
Commonly used in Internet.
ARP (Address Resolution Protocol)
Wireless Application Protocol (WAP)
Screened Host Firewall
8. 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.
Session Initiation Protocol (SIP)
Dynamic Packet Filtering
SOCKS Firewall
Proxy Firewall
9. Network segment name for a DMZ created by two physical firewalls.
Screened Sub-Net
ARP (Address Resolution Protocol)
IGMP
VoIP
10. 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.
Commonly used in Ethernet.
Asynchronous Communication
SOCKS Firewall
Remote Access Servers
11. 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.
Service Set ID (SSID)
Full-Duplex
OSI Layer 1: Physical
Application Proxy Firewall
12. 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)
Reverse Address Resolution Protocol (RARP )
Permanent Virtual Circuit (PVC)
Bridge
13. 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
802.15
TCP
Synchronous Communication
14. 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.
IPSec
X.25
Service Set ID (SSID)
Isochronous Communication Processes
15. 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.
Multistation Access Unit (MAU)
Port Numbers
10baseT
Serial Line Internet Protocol (SLIP)
16. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
Extensible Authentication Protocol (EAP)
Packet Filtering Firewall
Direct Sequence Spread Spectrum (DSSS)
Router
17. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
High Level Data Link Control (HLDC)
Noise
Channel Service Unit/Data Service Unit (CSU/DSU)
DNS (Domain Name System)
18. 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
DOS attacks from flooding
Repeaters
Packet Filtering Firewall
19. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Point-To-Point Tunneling Protocol (PPTP)
Switched Virtual Circuit (SVC)
Token Ring (802.5)
Noise
20. 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.
ICMP (Internet Control Message Protocol)
Circuit Switching
Trunk Lines
Synchronous Optical Networks (SONETS)
21. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.
Port Numbers
Screened Sub-Net
VoIP
Password Authentication Protocol (PAP)
22. Type of wireless security standard that uses AES in CBC mode.
CBC-MAC Protocol (CCMP)
802.11i
Spam over Internet Telephony (SPIT)
ICMP (Internet Control Message Protocol)
23. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Coaxial Cables
Ring Topology
802.15
T3
24. 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.
OSI Layer 5: Session Layer
ARP (Address Resolution Protocol)
OSI Layer 1: Physical
Asynchronous Communication
25. 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.
Frame Relay
FDDI-2
Commonly used in Internet.
Multistation Access Unit (MAU)
26. 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
OSI Layer 2: Data Link Layer
802.11
Remote Access Servers
VLAN
27. 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.
DNS (Domain Name System)
802.16
Token Ring (802.5)
OSI Layer 1: Physical
28. New variant to traditional email spam on VoIP networks.
Router
Spam over Internet Telephony (SPIT)
OSI Layer 4: Transport Layer
Distributed Environment Challenge
29. 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.
Proxy Firewall Strengths
Frequency Hopping Spread Spectrum (FHSS)
VoIP
Wireless Application Protocol (WAP)
30. Protocol that transfers data in fixed cells (53 bytes) - is a WAN technology - and transmits data at very high rates. Supports voice - data - and video applications.
Dual-Homed Firewall
Plenum-rated Cables
Asynchronous Transfer Mode (ATM)
Classless inter-domain routing (CIDR)
31. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Attenuation
SOCKS Firewall
Switch
Service Set ID (SSID)
32. 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.
Commonly used in Ethernet.
Remote Access Servers
Cable Modem
Wired Equivalent Privacy (WEP)
33. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
Metropolitan Area Network (MAN)
Carrier sense multiple access with collision detection (CSMA/CD)
Commonly used in Ethernet.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
34. 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.
802.16
Point-To-Point Tunneling Protocol (PPTP)
Proxy Firewall Strengths
High Level Data Link Control (HLDC)
35. A technique that allows multiple layers of nesting. Example - IPSec tunnel can originate or terminate at a different IPSec site along the way.
TCP
Iterated Association
VLAN
Frame Relay
36. Wireless communication that distributes individual signals across the allocated frequencies.
Bridge
Iterated Association
Point-To-Point (PPP)
Spread Spectrum
37. 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
Wireless Application Protocol (WAP)
Packet Switching
Frame Relay
ARP Poisoning
38. Wireless communication that applies sub-bits to a message (chips) and the receiver uses the chips to re-assemble the message based on the chipping code. It uses all available bandwidth - high throughput of 11Mbps.
Direct Sequence Spread Spectrum (DSSS)
Screened Sub-Net
Circuit Switching
Fiber Distributed Data Interface (FDDI)
39. 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.
Wired Equivalent Privacy (WEP)
Tree Topology
Wide Area Network (WAN)
Half-Duplex
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)
Token Passing
OSI Layer 4: Transport Layer
Port Numbers
41. 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.
OSI Layer 4: Transport Layer
Serial Line Internet Protocol (SLIP)
DOS attacks from flooding
ICMP (Internet Control Message Protocol)
42. 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.
DOS attacks from flooding
Fiber Distributed Data Interface (FDDI)
Token Ring (802.5)
Iterated Association
43. Standard that outlines wireless personal area network (WPAN) technologies.
Dynamic Packet Filtering
802.15
Pulse Code Modulation (PCM)
Twisted Pair Cables
44. SMTP server that is configured for sending email from any source to and destination.
Commonly used in FDDI.
Open Relay
Bastion Host
Point-To-Point (PPP)
45. 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.
Synchronous Communication
Commonly used in Ethernet.
Full-Duplex
IGMP
46. 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).
802.11a
Channel Service Unit/Data Service Unit (CSU/DSU)
Switched Virtual Circuit (SVC)
Reverse Address Resolution Protocol (RARP )
47. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
SPIM
ThinNet - aka 10base2
Fiber-optic Cables
Bluejacking
48. 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
Switch
Definition of Protocol
Extensible Authentication Protocol (EAP)
Committed Information Rate (CIR)
49. 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.
Committed Information Rate (CIR)
Service Set ID (SSID)
Spread Spectrum
OSI Data encapsulation
50. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.
Temporal Key Integrity Protocol (TKIP)
TCP
Integrated Services Digital Network (ISDN)
Committed Information Rate (CIR)