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Test your basic knowledge |
CISSP Telecom And Network Security
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certifications
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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. Strengths of a type of Stateful Firewall: High security - better performance than an application firewall. Weaknesses include more complex - ___________ - if rebooted all information is lost.
Coaxial Cables
802.11b
Classless inter-domain routing (CIDR)
DOS attacks from flooding
2. Malware attack that sends commands inside of an ICMP packet.
Bluejacking
TCP
Loki Attack
Half-Duplex
3. In the OSI layer 5 - these are the types of what?
Simplex: One direction.
OSI Layer 4: Transport Layer
Wide Area Network (WAN)
Committed Information Rate (CIR)
4. 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
Packet Switching
FDDI-2
Multi-protocol Label Switching
Classless inter-domain routing (CIDR)
5. Type of network that allows large IP ranges to be divided into smaller - logical - and easier to maintain network segments.
OSI Layer 4: Transport Layer
Subnetting
Layers in the OSI Model
Noise
6. 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
FDDI-2
Proxy Firewall Strengths
ARP Poisoning
Direct Sequence Spread Spectrum (DSSS)
7. Protocol for allowing multi-cast (one to many) communication
IGMP
Asynchronous Transfer Mode (ATM)
Ring Topology
IPv6
8. SMTP server that is configured for sending email from any source to and destination.
Open Relay
Service Set ID (SSID)
Multilevel Switching
Token Ring (802.5)
9. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Wired Equivalent Privacy (WEP)
Proxy Firewall
Noise
Switch
10. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
Commonly used in FDDI.
DNS (Domain Name System)
802.16
Asynchronous Communication
11. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
TCP
802.11a
FDDI-2
Dedicated Links
12. Wireless communication that distributes individual signals across the allocated frequencies.
Spread Spectrum
OSI Layer 3: Network Layer
Stateful Firewall
Private Branch Exchange (PBX)
13. Standard that addresses wireless MAN technologies.
OSI Layer 5: Session Layer
Bastion Host
Asynchronous Communication
802.16
14. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Attenuation
Bus Topology
Open Relay
Proxy Firewall Strengths
15. 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.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
ARP (Address Resolution Protocol)
Service Set ID (SSID)
Tree Topology
16. 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.
X.25
Network Address Translator (NAT)
Integrated Services Digital Network (ISDN)
Permanent Virtual Circuit (PVC)
17. 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
Subnetting
Fiber Distributed Data Interface (FDDI)
IGMP
18. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
Point-To-Point (PPP)
Coaxial Cables
T3
OSI Layer 6: Presentation
19. 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
Commonly used in Internet.
Temporal Key Integrity Protocol (TKIP)
Frequency Hopping Spread Spectrum (FHSS)
20. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
Noise
Wide Area Network (WAN)
Classless inter-domain routing (CIDR)
Direct Sequence Spread Spectrum (DSSS)
21. Type of topology where computers all are connected to each other - which provides redundancy.
Network Address Translator (NAT)
Commonly used in Internet.
Tree Topology
Full-Duplex
22. Set of rules that dictates how computer communicate over networks.
Isochronous Communication Processes
Layers in the TCP/IP Model
ThickNet - aka 10base5.
Definition of Protocol
23. Protocol that increases address size from 32 bits to 128 bits
DOS attacks from flooding
IPv6
Definition of Protocol
Dynamic Packet Filtering
24. 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.
Iterated Association
Dedicated Links
Metropolitan Area Network (MAN)
Ring Topology
25. 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
Application Proxy Firewall
Layers in the TCP/IP Model
Remote Access Servers
OSI Layer 2: Data Link Layer
26. 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
Trunk Lines
SOCKS Firewall
OSI Layer 3: Network Layer
Distributed Environment Challenge
27. 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.
Wired Equivalent Privacy (WEP)
Synchronous Communication
IPv6
Switched Virtual Circuit (SVC)
28. 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.
Source Routing
Plenum-rated Cables
Password Authentication Protocol (PAP)
ThickNet - aka 10base5.
29. Both directions - only one application can send information at a time
Password Authentication Protocol (PAP)
Half-Duplex
Spread Spectrum
Commonly used in Ethernet.
30. Spam over IM
802.15
SPIM
Challenge Handshake Authentication Protocol (CHAP)
Metropolitan Area Network (MAN)
31. Protocol that translates a MAC address into an IP address.
Classless inter-domain routing (CIDR)
Integrated Services Digital Network (ISDN)
Frequency Hopping Spread Spectrum (FHSS)
Reverse Address Resolution Protocol (RARP )
32. Type of wireless security standard that uses AES in CBC mode.
Multilevel Switching
CBC-MAC Protocol (CCMP)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Star Topology
33. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.
Ring Topology
Password Authentication Protocol (PAP)
Star Topology
Plenum-rated Cables
34. Wireless standard that will improve security of wireless communication
802.11i
LLC (Logical Link Control - 802.2)
OSI Layer 5: Session Layer
Synchronous Data Link Control (SDLC)
35. 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)
Spread Spectrum
Open Relay
802.11i
36. 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.
802.11i
OSI Layer 4: Transport Layer
UDP
Application Proxy vs. Circuit Level
37. Type of firewall that Inspects incoming/outgoing messages for malicious information. If approved - transfers an isolated copy from one network to another. 2nd generation firewall.
Isochronous Communication Processes
Iterated Association
Circuit Level Proxy Firewall
Proxy Firewall
38. 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.
802.11b
ThinNet - aka 10base2
Wide Area Network (WAN)
Repeaters
39. An older protocol that was used by ISP's to encapsulate data to be sent over dial up connections
OSI Data encapsulation
Kernel Proxy Firewall
Serial Line Internet Protocol (SLIP)
Carrier sense multiple access with collision detection (CSMA/CD)
40. Faster because processing is done in the kernel. One network stack is created for each packet. 5th generation firewall - runs at the application layer.
Open System Authentication (OSA)
ThinNet - aka 10base2
Kernel Proxy Firewall
802.11i
41. 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.
CBC-MAC Protocol (CCMP)
Asynchronous Transfer Mode (ATM)
Point-To-Point (PPP)
Multistation Access Unit (MAU)
42. 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.
ICMP (Internet Control Message Protocol)
Extensible Authentication Protocol (EAP)
Integrated Services Digital Network (ISDN)
Ethernet (802.3)
43. New variant to traditional email spam on VoIP networks.
Router
Frame Relay
Spam over Internet Telephony (SPIT)
Password Authentication Protocol (PAP)
44. 4: Application - 3: Host-to-Host - 2: Internet - 1: Network Access - 3 -1 -1 -2 will map to the OSI model.
Layers in the TCP/IP Model
TCP
VoIP
Subnetting
45. Most expensive type of WAN connection because the fee is based on distance between the two points rather than the amount of bandwidth used. Examples - T1 and T3.
Dedicated Links
Open Relay
Ethernet (802.3)
Noise
46. Protocol that translates IP address into a MAC address (physical Ethernet address)
Digital Subscriber Line (DSL)
ARP (Address Resolution Protocol)
Multi-protocol Label Switching
802.11i
47. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
802.11
Layers in the OSI Model
Synchronous Data Link Control (SDLC)
Wireless Application Protocol (WAP)
48. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
FDDI-2
DOS attacks from flooding
OSI Layer 3: Network Layer
T1
49. OSI layer that provides physical connections for transmission and performs the electrical encoding of data. This layer transforms bits to electrical signals. Protocols at this level HSSI (High Speed Serial Interface) - X.21 - EIA/TIA 232 and 449.
Attenuation
OSI Layer 4: Transport Layer
VLAN
OSI Layer 1: Physical
50. 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.
Screened Sub-Net
Bus Topology
Source Routing
Asynchronous Communication