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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
.
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 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.
Bridge
Switch
Layers in the TCP/IP Model
Repeaters
2. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Extensible Authentication Protocol (EAP)
802.15
Screened Sub-Net
Permanent Virtual Circuit (PVC)
3. 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.
Screened Host Firewall
OSI Data encapsulation
Repeaters
Point-To-Point (PPP)
4. Malware attack that sends commands inside of an ICMP packet.
Loki Attack
ARP Poisoning
Bluejacking
T3
5. SMTP server that is configured for sending email from any source to and destination.
10baseT
Open Relay
Committed Information Rate (CIR)
Fiber-optic Cables
6. 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.
ICMP (Internet Control Message Protocol)
Dynamic Packet Filtering
Ethernet (802.3)
High Level Data Link Control (HLDC)
7. Type of wireless security standard that uses AES in CBC mode.
CBC-MAC Protocol (CCMP)
Iterated Association
Remote Access Servers
Permanent Virtual Circuit (PVC)
8. 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.
Permanent Virtual Circuit (PVC)
Packet Filtering Firewall
OSI Layer 7: Application
Screened Sub-Net
9. 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
Digital Subscriber Line (DSL)
Challenge Handshake Authentication Protocol (CHAP)
Dedicated Links
Multi-protocol Label Switching
10. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
Serial Line Internet Protocol (SLIP)
802.11a
Shared Key Authentication (SKA)
Loki Attack
11. 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.
VLAN
Wired Equivalent Privacy (WEP)
OSI Layer 2: Data Link Layer
Pulse Code Modulation (PCM)
12. 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.
OSI Layer 4: Transport Layer
High Level Data Link Control (HLDC)
Committed Information Rate (CIR)
802.11b
13. 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.
Multi-protocol Label Switching
LLC (Logical Link Control - 802.2)
Bus Topology
Direct Sequence Spread Spectrum (DSSS)
14. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
UDP
T1
Private Branch Exchange (PBX)
Fiber-optic Cables
15. Identifys a WLAN. Can be used to segment environments into different WLANS.
Frequency Hopping Spread Spectrum (FHSS)
Service Set ID (SSID)
Synchronous Data Link Control (SDLC)
Metropolitan Area Network (MAN)
16. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Isochronous Communication Processes
Blue Boxing
ARP (Address Resolution Protocol)
ThickNet - aka 10base5.
17. 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.
Dedicated Links
Network Address Translator (NAT)
OSI Layer 7: Application
Frame Relay
18. 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.
OSI Layer 3: Network Layer
ARP Poisoning
Star Topology
TCP
19. 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-
Full-Duplex
802.16
Frequency Hopping Spread Spectrum (FHSS)
Commonly used in Ethernet.
20. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.
Packet Filtering Firewall
Challenge Handshake Authentication Protocol (CHAP)
OSI Layer 4: Transport Layer
Committed Information Rate (CIR)
21. 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
Point-To-Point Tunneling Protocol (PPTP)
Proxy Firewall Strengths
Challenge Handshake Authentication Protocol (CHAP)
Ring Topology
22. Network where a virtual connection that acts like a dedicated link between two systems is set up. Traffic travels in a predictable and constant manner. Example - telephone.
Circuit Switching
Channel Service Unit/Data Service Unit (CSU/DSU)
Temporal Key Integrity Protocol (TKIP)
Ethernet (802.3)
23. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'
Token Passing
Classless inter-domain routing (CIDR)
Layers in the OSI Model
Wireless Application Protocol (WAP)
24. 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
Password Authentication Protocol (PAP)
Synchronous Data Link Control (SDLC)
Kernel Proxy Firewall
Reverse Address Resolution Protocol (RARP )
25. 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.
Virtual Private Network (VPN)
Bridge
ARP (Address Resolution Protocol)
Full-Duplex
26. The original technique to digitized voice with 8 bits of sampling 8 -000 times per second - which yields 64 Kbps for one voice channel.
Challenge Handshake Authentication Protocol (CHAP)
ThickNet - aka 10base5.
Loki Attack
Pulse Code Modulation (PCM)
27. Standard that addresses wireless MAN technologies.
OSI Layer 6: Presentation
Packet Filtering Firewall
802.16
Subnetting
28. 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.
Noise
Port Numbers
Attenuation
Bluejacking
29. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
CBC-MAC Protocol (CCMP)
Dedicated Links
Packet Filtering Firewall
OSI Data encapsulation
30. 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.
Layer 2 Tunneling Protocol (L2TP)
Frame Relay
DNS (Domain Name System)
Plenum-rated Cables
31. 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.
Full-Duplex
Fiber Distributed Data Interface (FDDI)
Metropolitan Area Network (MAN)
ICMP (Internet Control Message Protocol)
32. OSI layer that has services and protocols required by the user's applications for network functionality. Example protocols include HTTP - SMTP - FTP - Telnet.
T3
OSI Layer 7: Application
Commonly used in FDDI.
Proxy Firewall
33. Set of rules that dictates how computer communicate over networks.
TCP
Definition of Protocol
Stateful Firewall
Committed Information Rate (CIR)
34. Network segment name for a DMZ created by two physical firewalls.
Router
Carrier sense multiple access with collision detection (CSMA/CD)
Screened Sub-Net
Extensible Authentication Protocol (EAP)
35. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
Token Ring (802.5)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Mesh Topology
Point-To-Point (PPP)
36. Protocol for allowing multi-cast (one to many) communication
SPIM
Frame Relay
Application Proxy vs. Circuit Level
IGMP
37. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
Bastion Host
802.11
Subnetting
Carrier sense multiple access with collision detection (CSMA/CD)
38. Type of firewall that can be compromised if the OS does not have packet forwarding or routing turned off.
Bus Topology
OSI Layer 3: Network Layer
Dual-Homed Firewall
OSI Layer 7: Application
39. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Circuit Level Proxy Firewall
Open Relay
Remote Access Servers
IPv6
40. 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.
Token Passing
Commonly used in Ethernet.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Twisted Pair Cables
41. 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).
Digital Subscriber Line (DSL)
Commonly used in logical bus - Ethernet - token ring.
Twisted Pair Cables
Bastion Host
42. Wireless standard that will improve security of wireless communication
802.11i
802.15
Bridge
Twisted Pair Cables
43. Type of wireless authentication where the device does not need to provide a key for authentication. Usually - only the SSID is required and plaintext transmission occurs.
Commonly used in FDDI.
Circuit Switching
Open System Authentication (OSA)
Fiber-optic Cables
44. Spam over IM
Direct Sequence Spread Spectrum (DSSS)
T1
SPIM
Switched Virtual Circuit (SVC)
45. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
Point-To-Point Tunneling Protocol (PPTP)
TCP
Half-Duplex
Wide Area Network (WAN)
46. An older protocol that was used by ISP's to encapsulate data to be sent over dial up connections
Classless inter-domain routing (CIDR)
Serial Line Internet Protocol (SLIP)
Circuit Switching
Layers in the TCP/IP Model
47. 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.
Carrier sense multiple access with collision detection (CSMA/CD)
Ring Topology
Integrated Services Digital Network (ISDN)
IPv6
48. Type of network that allows large IP ranges to be divided into smaller - logical - and easier to maintain network segments.
DNS (Domain Name System)
Subnetting
X.25
Router
49. 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.
Frame Relay
802.15
Trunk Lines
Wired Equivalent Privacy (WEP)
50. 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)
Permanent Virtual Circuit (PVC)
Plenum-rated Cables
Open System Authentication (OSA)