CT0-101 Convergence+ Certification Practice Exam Set 11

Which of the following could be a potential impact on a converged network if performing backups

over a network with adequate bandwidth, but no defined QoS? (Select TWO)

A. Voice conversation might sound louder as the backup might increase the size of voice packets.

B. The quality of voice might suffer as the backup might take up all the bandwidth.

C. Improved voice quality because the backup packets will cause the voice packets to reach their

destination quicker.

D. The backup might take longer due to the voice traffic present.



Options are :

  • B,C
  • C,D
  • B,D
  • A,B

Answer : B,D

CompTIA JK0-022 E2C Security+ Threats & Vulnerabilities Exam Set 7

All of the following increase latency EXCEPT:



Options are :

  • framing and packetization.
  • conversion from TDM to IP.
  • assigning priority to voice packets.
  • routing and firewall traversal.

Answer : assigning priority to voice packets.

Which of the following BEST describes queuing?



Options are :

  • Callers are put on hold while their party is contacted.
  • Callers wait in line while agents help other callers.
  • Callers are prompted with call routing options.
  • Callers hear ringing before their call is answered.

Answer : Callers wait in line while agents help other callers.

Which of the following BEST describes unified messaging?



Options are :

  • Using voicemail
  • Integration of email, fax, and voice mail
  • Video messaging
  • Integration of cellphone and desktop phone

Answer : Integration of email, fax, and voice mail

CompTIA CySA+ (CS0-001) 5 Practice Certification Exams Set 6

Which of the following is the BEST compression rate for sending voice over VPN through the

internet when bandwidth is limited?



Options are :

  • G. 727
  • G. 726
  • G. 711MuLAW
  • G. 729a

Answer : G. 729a

Which of the following applications allows the customer to enter a number and route the call to the

next available agent while delivering a screen pop to the agent?



Options are :

  • Call Management Service/ Centralized Attendant Service (CMS/CAS)
  • Call Detail Record (CDR)/ACD
  • Interactive Voice Response (IVR)/CTI
  • Automated Call Distribution (ACD)/PBX

Answer : Interactive Voice Response (IVR)/CTI

Which of the following is an example of TOLL Fraud?



Options are :

  • An outside caller gains access to a company's long distance line from the voicemail system.
  • An outside caller gains access to a company's voicemail system from a long distance line.
  • An outside caller gains access to a company's fax machine from the voicemail system.
  • An outside caller gains access to a company directory from the voicemail system.

Answer : An outside caller gains access to a company's long distance line from the voicemail system.

CompTIA JK0-022 E2C Security+ Compliance & Operational Exam Set 7

A company has a VLAN for data communications and a VLAN for voice communications. Which of

the following protocols would a technician want to implement to ensure that the voice

communication is prioritized at a layer 2 level?



Options are :

  • 802.1q/802.1x
  • 802.1p/802.3ae
  • 802.1p/802.1q
  • 802.1q/802.3ae

Answer : 802.1p/802.1q

Which of the following is another term that is used for the H. 263 protocol?



Options are :

  • Video Conferencing
  • Web Casting
  • Audio Conferencing
  • Data Sharing

Answer : Video Conferencing

Which of the following layers of the OSI model provides error control across the entire network?



Options are :

  • Data Link layer
  • Physical layer
  • Application layer
  • Transport layer

Answer : Transport layer

FC0-U51 CompTIA IT Fundamentals Certification Exam Set 5

At which of the following layers of the OSI model do switches operate?



Options are :

  • Applications layer
  • Sessions layer
  • Data Link layer
  • Transport layer

Answer : Data Link layer

Which of the following ports does Telnet typically communicate over?



Options are :

  • 80
  • 46
  • 69
  • 23

Answer : 23

Which of the following standards defines Power over Ethernet (PoE)?



Options are :

  • 802.3af
  • 802.1p
  • 802.5
  • 802.1d

Answer : 802.3af

CompTIA N10-004 Network+ Certification Practice Test Set 1

Which of the following codecs is likely to produce the highest quality sound?



Options are :

  • G. 726
  • G. 727
  • G. 722
  • G. 711

Answer : G. 722

Which of the following layers of the OSI model is responsible for the flow of H. 225.0 signaling

messages between a gatekeeper and an IP telephone?



Options are :

  • Presentation layer
  • Network layer
  • Transport layer
  • Application layer

Answer : Transport layer

A technician is going to deploy a voice system with 5 users. Which of the following types of trunks

would the technician MOST commonly connect to the Public Switched Telephone Network (PSTN)

when cost is a factor?



Options are :

  • Analog Trunks
  • Fractional T1
  • H. 323 trunk
  • SIP trunk

Answer : Analog Trunks

CompTIA JK0-019 E2C Network Media & Topologies Practice Exam Set 3

Which of the following BEST describes how voice and data traffic react to excessive latency?



Options are :

  • Voice and data react the same way to latency, both request retransmissions.
  • Voice requests retransmission while data is degraded.
  • Voice quality is degraded while data applications can request retransmissions.
  • Data applications shut down in order to increase voice quality.

Answer : Voice quality is degraded while data applications can request retransmissions.

Which of the following would provide TOLL quality voice compression for transmission across IP?



Options are :

  • G. 711
  • G. 729
  • G. 722
  • G. 726

Answer : G. 711

Which of the following OSI layers does Secure Shell (SSH) provide secure network services over

an insecure network by encrypting data?



Options are :

  • Network layer
  • Physical layer
  • Transport layer
  • Data Link layer

Answer : Transport layer

220-802 CompTIA A+ Certification Practice Exam Set 6

Which of the following 802.1p class of service values are recommended for use in a VoIP

enterprise?



Options are :

  • 6
  • 7
  • 3
  • 4

Answer : 6

At which of the following layers of the OSI model is the IP telephone power requirement auto

detection process done?



Options are :

  • Physical layer
  • Data Link layer
  • Transport layer
  • Network layer

Answer : Physical layer

Which of the following are required components of an IP softphone? (Select TWO).

A. VPN

B. Dial-up connection

C. Wireless Network Card

D. PC

E. Headset



Options are :

  • B,C
  • A,B
  • None of the Above
  • D,E
  • C,D

Answer : D,E

CompTIA JK0-018 Security+ E2C Certified Practice Exam Set 1

Which of the following parameters would be important when determining a systems readiness for

convergence and identifying any network bottlenecks that might be present?



Options are :

  • Size of routing table
  • Port utilization percentage
  • Interface speed
  • Port duplex setting

Answer : Port utilization percentage

Which of the following is the maximum bandwidth capacity of 802.11b?



Options are :

  • 11 Mbps
  • 54 Mbps
  • 100 Mbps
  • 10 Mbps

Answer : 11 Mbps

Which of the following is true about RSVP?



Options are :

  • It adds decision-making points within a network.
  • It deals mainly with packet prioritization.
  • It acts at layer 2 of the OSI model.
  • It is mostly used for small networks.

Answer : It adds decision-making points within a network.

Practice : CompTIA CySA+ (CS0-001)

Which of the following ports does FTP typically communicate with? (Select TWO)



Options are :

  • 20
  • 80
  • 23
  • 21

Answer : 20

Which of the following allows a remote computer user to login and take calls from a PBX for a

contact center?



Options are :

  • softphone
  • cell phone
  • console
  • cordless phone

Answer : softphone

Why should a technician prioritize voice traffic?



Options are :

  • Because data packets cannot be retransmitted.
  • Because of the time sensitive delivery of the voice packets.
  • Voice packets carry less data and need less time to transmit across the network.
  • To secure voice packets across a network.

Answer : Because of the time sensitive delivery of the voice packets.

CompTIA Project+ (PK0-004) 5 Practice Test 2019 Set 2

Which of the following technologies allows users to have a cell phone ring simultaneously as their

desk phone does?



Options are :

  • Twinning
  • Pocket PC
  • Local number portability
  • Wireless

Answer : Twinning

Which of the following features must be enabled to allow a call to a desktop phone to be

transferred to a remote phone?



Options are :

  • Find me service
  • ISDN-PRI
  • Local Number Portability (LNP)
  • Softphone

Answer : Find me service

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