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Test your basic knowledge |
CISSP Telecom And Network Security
Start Test
Study First
Subjects
:
certifications
,
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. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
ARP (Address Resolution Protocol)
Password Authentication Protocol (PAP)
Packet Switching
2. 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
Proxy Firewall
Twisted Pair Cables
Isochronous Communication Processes
3. Malware attack that sends commands inside of an ICMP packet.
Temporal Key Integrity Protocol (TKIP)
Frame Relay
10baseT
Loki Attack
4. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
Bluejacking
Open Relay
DOS attacks from flooding
Shared Key Authentication (SKA)
5. 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.
Commonly used in logical bus - Ethernet - token ring.
OSI Layer 4: Transport Layer
Simplex: One direction.
Virtual Private Network (VPN)
6. Spam over IM
UDP
OSI Layer 4: Transport Layer
Remote Access Servers
SPIM
7. 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
Extensible Authentication Protocol (EAP)
Layer 2 Tunneling Protocol (L2TP)
ARP Poisoning
Tree Topology
8. 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.
Multistation Access Unit (MAU)
Digital Subscriber Line (DSL)
Cable Modem
T3
9. 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.
Channel Service Unit/Data Service Unit (CSU/DSU)
Pulse Code Modulation (PCM)
ARP Poisoning
Port Numbers
10. 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.
Trunk Lines
Service Set ID (SSID)
Spam over Internet Telephony (SPIT)
Classless inter-domain routing (CIDR)
11. An older protocol that was used by ISP's to encapsulate data to be sent over dial up connections
Packet Switching
CBC-MAC Protocol (CCMP)
Serial Line Internet Protocol (SLIP)
VoIP
12. Type of topology where computers all are connected to each other - which provides redundancy.
Plenum-rated Cables
Commonly used in Internet.
IPv6
Spread Spectrum
13. Wireless communication that distributes individual signals across the allocated frequencies.
TCP
Spread Spectrum
Blue Boxing
ThinNet - aka 10base2
14. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Challenge Handshake Authentication Protocol (CHAP)
OSI Layer 6: Presentation
802.11b
Metropolitan Area Network (MAN)
15. 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.
Multilevel Switching
Service Set ID (SSID)
Stateful Firewall
Network Address Translator (NAT)
16. 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.
IPv6
T3
Challenge Handshake Authentication Protocol (CHAP)
OSI Layer 5: Session Layer
17. Type of network layout that is a large geographical region connecting more that one LAN.
Wide Area Network (WAN)
Isochronous Communication Processes
Source Routing
Switch
18. 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.
Digital Subscriber Line (DSL)
Bridge
Proxy Firewall
Challenge Handshake Authentication Protocol (CHAP)
19. 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
Bluejacking
VLAN
20. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
Frame Relay
Ring Topology
802.11
OSI Layer 4: Transport Layer
21. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
Password Authentication Protocol (PAP)
Asynchronous Communication
Network Address Translator (NAT)
FDDI-2
22. 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.
Bluejacking
IPSec
Multistation Access Unit (MAU)
Wireless Application Protocol (WAP)
23. A technique that allows multiple layers of nesting. Example - IPSec tunnel can originate or terminate at a different IPSec site along the way.
High Level Data Link Control (HLDC)
Iterated Association
T1
Dual-Homed Firewall
24. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
T1
VoIP
802.15
DNS (Domain Name System)
25. This network technology determines which system will send data based on which one has the token.
Ring Topology
802.16
Token Passing
Simplex: One direction.
26. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Blue Boxing
OSI Data encapsulation
Dual-Homed Firewall
Challenge Handshake Authentication Protocol (CHAP)
27. 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.
Proxy Firewall Strengths
Repeaters
Half-Duplex
Proxy Firewall
28. 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.
Challenge Handshake Authentication Protocol (CHAP)
Open System Authentication (OSA)
UDP
Commonly used in logical bus - Ethernet - token ring.
29. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
Proxy Firewall Strengths
Multilevel Switching
Application Proxy Firewall
802.11
30. Identifys a WLAN. Can be used to segment environments into different WLANS.
Service Set ID (SSID)
802.11i
Packet Switching
Open Relay
31. Problems: Central device is a single point of failure.
802.11b
Crosstalk
Commonly used in Internet.
Star Topology
32. Protocol for allowing multi-cast (one to many) communication
OSI Layer 6: Presentation
Commonly used in Internet.
Commonly used in logical bus - Ethernet - token ring.
IGMP
33. 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
Circuit Switching
Plenum-rated Cables
Dual-Homed Firewall
34. 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.
Isochronous Communication Processes
ICMP (Internet Control Message Protocol)
Private Branch Exchange (PBX)
Fiber Distributed Data Interface (FDDI)
35. New variant to traditional email spam on VoIP networks.
ARP Poisoning
VoIP
Plenum-rated Cables
Spam over Internet Telephony (SPIT)
36. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
ThickNet - aka 10base5.
Classless inter-domain routing (CIDR)
10baseT
Distributed Environment Challenge
37. Set of rules that dictates how computer communicate over networks.
Remote Access Servers
Definition of Protocol
Fiber Distributed Data Interface (FDDI)
Commonly used in FDDI.
38. In the OSI layer 5 - these are the types of what?
Simplex: One direction.
Bluejacking
Circuit Switching
OSI Layer 1: Physical
39. 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.
Frequency Hopping Spread Spectrum (FHSS)
Point-To-Point Tunneling Protocol (PPTP)
Isochronous Communication Processes
Kernel Proxy Firewall
40. Problems: Requires more expense in cabling and extra effort to track down cable faults.
Frame Relay
DNS (Domain Name System)
Mesh Topology
Point-To-Point Tunneling Protocol (PPTP)
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).
Dynamic Packet Filtering
Dedicated Links
Twisted Pair Cables
Serial Line Internet Protocol (SLIP)
42. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'
Screened Sub-Net
Layers in the OSI Model
Tree Topology
Kernel Proxy Firewall
43. 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.
Open Relay
Attenuation
ARP (Address Resolution Protocol)
Distributed Environment Challenge
44. Both directions - only one application can send information at a time
Half-Duplex
Password Authentication Protocol (PAP)
Noise
Dynamic Packet Filtering
45. 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
X.25
Point-To-Point Tunneling Protocol (PPTP)
Packet Switching
Remote Access Servers
46. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Kernel Proxy Firewall
Dedicated Links
FDDI-2
Remote Access Servers
47. 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.
Application Proxy Firewall
802.15
Repeaters
Frame Relay
48. Type of network layout that separates and group computers logically.
802.15
Star Topology
Digital Subscriber Line (DSL)
VLAN
49. Application layer request/response protocol widely used for VoIP communication sessions. Transported by UDP - makes use of TCP - and is vulnerable to sniffing attacks.
LLC (Logical Link Control - 802.2)
Session Initiation Protocol (SIP)
Digital Subscriber Line (DSL)
Proxy Firewall Strengths
50. Standard that addresses wireless MAN technologies.
802.16
Simplex: One direction.
Commonly used in FDDI.
Dedicated Links