Telecommunications and Network Security Practice Test Questions

Telecommunications and Network Security

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Question 1
Social engineering through directed email scams and brand spoofing is called what?
Conning
Phishing
Scamming
Spamming
Question 2
What Protocol Data Unit (PDU) is used at the Transport layer?
Frame
Data
Segment
Packet
Question 3
What Protocol Data Unit (PDU) is used at the Physical layer?
Segment
Bits
Data
Frames
Question 4
__________ is a protocol that one program can use to request a service from a program located in another computer in a network without having to understand network details.
Remote Procedure Call
Port
Transport Call
Socket
Question 5
Which layer of the OSI model is responsible for end-to-end integrity?
Session
Application
Network
Data Link
Question 6
Which device creates separate collision domains?
Repeater
Hubs
Connectors
Switches
Question 7
What wireless specification supports data transfer rates up to 11Mbps?
802.11g
802.11a
802.11b
802.11n
Question 8
WPA2 uses which of the following encryption algorithms?
3DES
DES
RC4
AES
Question 9
Hubs operate on which layer of the OSI model?
Session
Network
Physical
Data Link
Question 10
The 10BaseT cable specification supports a maximum length of:
100 feet
100 meters
300 meters
300 yards
Question 11
What is the correct order for PDU's moving from higher to lower levels?
Data > Packets > Segments > Frames > Bits
Data > Segments > Packets > Frames > Bits
Data > Segments > Frames > Packets > Bits
Data > Segments > Sessions > Packets > Frames
Question 12
Which term below is NOT a layer of the OSI model?
Network
Transfer
Data Link
Session
Question 12 Explanation:Transport is a layer, transfer is not.
Question 13
Which answer permits or denies traffic based on protocol and port information?
Traffic filtering
Circuit filtering
Packet filtering
Communication filtering
Question 13 Explanation:Packet filtering permits or denies traffic based on protocol and port information. The other terms are suspiciously similar made up or generic terms.
Question 14
Which layer of the OSI model handles TCP?
Presentation
Transport
Transfer
Network
Question 14 Explanation:TCP works at the Transport Layer
Question 15
What Protocol Data Unit (PDU) is used at the Application layer?
Packet
Data
Segment
Frame
Question 16
What Protocol Data Unit (PDU) is used at the Network layer?
Frame
Bits
Segment
Packet
Question 17
What Protocol Data Unit (PDU) is used at the Session layer?
Data
Packet
Segment
Frame
Question 18
What Protocol Data Unit (PDU) is used at the Data Link layer?
Frame
Packet
Bits
Segment
Question 19
What technology would you use to lure attackers?
Intrusion Attraction System
Bastion hosts
Intrusion Detection System
Honeypot
Question 20
Which protocol matches IP addresses to MAC addresses?
ARP
ICMP
IP
RARP
Question 21
Which statement is not true about TCP, as compared with UDP?
Is connection oriented
Provides a reliable connection
Provides protocols and ports to distinguish between connections
Has low overhead
Question 22
Which of the following cabling types is the most difficult to tap?
Fiber-Optic
Coaxial
Twisted Pair
Token Ring
Question 23
Which firewall does not keep a history of outgoing connections?
Circuit-level
Packet-filtering
Application-level
Stateful inspection
Question 24
Which OSI layer handles encryption?
Session
Application
Presentation
Network
Question 25
What Protocol Data Unit (PDU) is used at the Presentation layer?
Segment
Frame
Packet
Data
Question 26
What statements below is correct when describing transport layer security?
In SSL, server private keys are exchanged
SSL only works with a reliable transport protocols
SSL operates at the Session layer and TLS operates at the Transport layer
Unlike SSL, IPSec can only provide host-to-host confidentiality and authentication
Question 27
What technique is used to hide internal IP addresses?
NAT
Proxy
CHAP
PAP
Question 27 Explanation:Network Address Translation (NAT) translates internal IP addresses to external IP addresses. PAP and CHAP are incorrect. A proxy may perform this function, but NAT is the MOST CORRECT answer.
Question 28
________ is the process in which each layer of the OSI model accepts a message from a layer (or protocol) above it, places its own header, and communicates it to a lower level.
Translation
Encapsulation
Enumeration
Processing
Question 29
MAC stands for:
Medium Access Collision
Medium Avoidance Control
Medium Access Control
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