CT0-101 Convergence+ Certification Practice Exam Set 9

Which of the following video compression standards would a technician expect to find being used

according to the H. 323 standard? (Select TWO)

A. H. 225

B. H. 261

C. H. 320

D. H. 235

E. H. 263



Options are :

  • B,E
  • B,C
  • A,B
  • C,D

Answer : B,E

CompTIA Security+ (SY0-501) Practice Exams with Simulations Set 6

If multiple remotes sites have one circuit each to the core site this would BEST be described as?



Options are :

  • Intranet networking
  • Branch networking
  • Mesh networking
  • Hub and spoke networking

Answer : Hub and spoke networking

Which of the following video formats would a technician expect to contain 625 horizontal lines that

are each transmitted 25 times per second? (Select TWO)

A. Quarter Common Intermediate Format (QCIF)

B. Common Intermediate Format (CIF)

C. Systeme Electronique Couleur Avec Memoire (SECAM)

D. National Television Standards Committee (NTSC)

E. Phase Alternate Line (PAL)



Options are :

  • A,B
  • C,D
  • C,E
  • B,C

Answer : C,E

Which of the following improve security of an IP Telephony solution from common threats? (Select

TWO)

A. Implement Access Control Lists (ACL) at the access switches and distribution switches.

B. Enable port security or 802.1x authenticator at the access switches.

C. Disable Spanning Tree Protocol (STP) at the edge switches.

D. Enable port security or 802.1x authenticator at the distribution switches.

E. Enable Network Address Translation (NAT) to be provided for all IP Telephony components.



Options are :

  • A,B
  • D,E
  • C,D
  • B,C

Answer : A,B

CompTIA JK0-801 A+ Certification Certified Practice Exam Set 1

Why is it important to have redundant routes when designing a converged network?



Options are :

  • Reduces the possibility of downtime.
  • It cost less to have more connections and sites.
  • It is required for enhanced routing with different protocols.
  • The need for a disaster recovery plan is not necessary.

Answer : Reduces the possibility of downtime.

Which of the following features might be available in a softphone running on a PC that might not

be available in other IP phones?



Options are :

  • Easier to dial an emergency number.
  • Easier to move from one physical location to another.
  • Easier integration with business applications.
  • Easier to manage from a central location.

Answer : Easier integration with business applications.

Which of the following tools are used to determine the number of hops taken from one end of a

link to another on a converged network?



Options are :

  • ping
  • ipconfig
  • nslookup
  • tracert

Answer : tracert

CompTIA Cyber Security Analyst (CySA+) Practice Exams 2019 Set 12

Even though the 802.1p standard specifies 8 classes of traffic, which of the following BEST

explains why a technician may have less than 8 classes to work with when prioritizing traffic on the

network?



Options are :

  • The ethernet switch manufacturer implemented less than 8 hardware queues.
  • Four of the 8 classes identified in the standard are for future use.
  • Two of the 8 classes identified in the standard are for future use
  • Some classes may already be in use on the network.

Answer : The ethernet switch manufacturer implemented less than 8 hardware queues.

Which of the following is known as the public address of a SIP user?



Options are :

  • IP address
  • Address of record
  • User agent
  • Uniform resource locator

Answer : Address of record

Which of the following is the purpose of a traffic shaper?



Options are :

  • To allow H. 323 traffic to travel across the LAN.
  • To allow H. 323 traffic to travel across the WAN.
  • To enable QoS across links that do not have QoS.
  • To insert a Differentiated Services Code Point (DSCP) value to a VoIP packet but does not provide QoS.

Answer : To enable QoS across links that do not have QoS.

SK0-004 CompTIA Server+ Certification Practice Exam Set 7

Users on IP Telephones at a remote site are complaining that their voices are being clipped before

and after they speak, even though QoS is enabled end-to-end. Which of the following changes

should the technician make to resolve this problem?



Options are :

  • Replace the handsets of the IP phones.
  • Alter the WAN QoS settings to provide additional bandwidth for voice.
  • Turn off silence suppression on the IP-PBX.
  • Alter the VLAN tags on the IP Phones to enable higher priority.

Answer : Turn off silence suppression on the IP-PBX.

A company is considering merging two stand alone IP-PBXs into a single centralized system.

Which of the following are advantages of consolidating these systems?




Options are :

  • Less WAN bandwidth is used.
  • Less WAN configurations to administer.
  • Less gatekeepers to upgrade.
  • Less LAN QoS policies to administer.

Answer : Less gatekeepers to upgrade.

Which of the following is a best practice for the correct order of traffic prioritization in a converged

network?



Options are :

  • Video, voice, mission critical apps
  • Mission critical apps, video, voice
  • Voice, video, mission critical apps
  • Mission critical apps, voice video

Answer : Voice, video, mission critical apps

220-802 CompTIA A+ Certification Practice Exam Set 5

An operator, using a softphone, is complaining about poor call quality at 3 PM every day. The

other operators softphones are working properly. Which of the following could be the likely cause

of this complaint?



Options are :

  • The local server data gets transferred to headquarters everyday at3PM.
  • The DHCP lease expires everyday at3PM.
  • The number of calls handled by the operator goes up everyday at3PM.
  • The operators PC begins backup at3PM every day.

Answer : The operators PC begins backup at3PM every day.

How would a technician insure that voice traffic at layer 3 DiffServ will be adhered to at layer 2?



Options are :

  • Layer 3 ethernet switches must be deployed.
  • The DiffServ Code Points must be mapped to 802.1p.
  • 802.1p must be configured on the routers.
  • DiffServ must be configured for layer 2.

Answer : The DiffServ Code Points must be mapped to 802.1p.

A remote site is located 3000 miles away from the main site. Users at the main site complain when

dialing an extension at the remote site that several calls a day do not complete. Which of the

following is the MOST likely cause?



Options are :

  • Codec mismatch
  • Network jitter out of specification
  • Mis-configured routes between the main site and the remote site
  • Packet loss

Answer : Packet loss

CompTIA PD1-001 PDI+ Beta Certification Practice Exam Set 7

Which of the following would show information about all calls and could be imported into

accounting software for report generation?



Options are :

  • Telephone Application Programming Interface (TAPI)
  • SNMP reports
  • Call Detail Record (CDR)
  • Display all calls list

Answer : Call Detail Record (CDR)

Which of the following would be required for video conferencing using the H. 320 standard?



Options are :

  • ISDN
  • IPv6
  • 100 Mbps or faster network
  • 802.1q compliant VLAN

Answer : ISDN

Which of the following is a primary benefit of PC softphones in a corporate environment?



Options are :

  • Remote users have access to residential calls forwarded to their corporate locations
  • Remote users have access to corporate telephony services appearing locally connected
  • Remote users have access to corporate internet services if provided by the VoIP system
  • Remote users have access to corporate telephony services appearing as a remote office dialing plan

Answer : Remote users have access to corporate telephony services appearing locally connected

220-702 CompTIA A+ Practical Application Practice Exam Set 6

Which of the following statements is true about SIP security standards?



Options are :

  • SIP has built-in measures to handle Network Address Translation (NAT) traversal.
  • SIP can only use Transport Layer Security (TLS) for media encryption and SRTP for signaling encryption.
  • SIP is independent of any security protocol and may be used with several security protocols.
  • SIP can only use SRTP for media encryption and TLS for signaling encryption.

Answer : SIP is independent of any security protocol and may be used with several security protocols.

Which of the following video formats would a technician expect to be running at 30 Fps?



Options are :

  • Quarter Common Intermediate Format (QCIF)
  • Phase Alternate Line (PAL)
  • Systeme Electronique Couleur Avec Memoire (SECAM)
  • National Television Standards Committee (NTSC)

Answer : National Television Standards Committee (NTSC)

On a PRI ISDN circuit ESF provides which of the following?



Options are :

  • Carrier synchronization
  • 64 Kbps clear channels
  • D channel for supervision
  • Cross talk reduction between channels

Answer : 64 Kbps clear channels

CompTIA A+ (220-1001) Test Prep, Exams and Simulations Set 1

A customer is implementing an IP Telephony solution in an existing data network which doesnt provide 802.3af Power over Ethernet (PoE) capabilities for the IP Telephones. Which of the following PoE techniques works with the existing network and is cost effective? 


Options are :

  • Use a UPS device to power the phone
  • Use an end-span device.
  • Use a mid-span device
  • Use the power from the USB port of the PC

Answer : Use a mid-span device

A remote site is located 3000 miles away from the main site. The network is experiencing packet

delay. There are two paths available between the sites - one primary, one secondary. Which of the

following would be used to determine the path to investigate further? (Select TWO)

A. Whois

B. Tracert

C. Test call

D. Ping




Options are :

  • B,D
  • A,B
  • B,C
  • C,D

Answer : B,D

Which of the following is the correct format of a SIP URI?



Options are :

Answer : SIP:[email protected]

CompTIA JK0-018 Security+ E2C Certified Practice Exam Set 4

A softphone user is experiencing intermittent connectivity problems. Which of the following

commands would troubleshoot the connection? (Select TWO)

A. tracert

B. ipconfig

C. nslookup

D. netstat



Options are :

  • C,D
  • B,C
  • D,A
  • A,B

Answer : D,A

Which of the following benefits does compression have when implementing a converged network?



Options are :

  • Compression increases security.
  • Compression helps eliminate jitter.
  • Compression helps optimize the use of bandwidth.
  • Compression helps to increase the bandwidth.

Answer : Compression helps optimize the use of bandwidth.

Which of the following terms describe a number to be dialed in a phone call, preceding any

necessary area codes and subscriber numbers?



Options are :

  • DNIS
  • Automatic Number Identification (ANI)
  • Prefix
  • Toll number

Answer : Prefix

CompTIA CySA+ Set 14

Which of the following is a way to prevent unauthorized access from occurring in PBXs? (Select

TWO)

A. Disable remote access on modems when not in use.

B. Do not route calls to an operator.

C. Change passwords to systems regularly.

D. Give out the same long distance code to all employees.



Options are :

  • B,C
  • C,D
  • A,B
  • A,C

Answer : A,C

A technician is asked to recommend an MPEG solution for the transmission of video with a stream

rate of one Mbps, across a network to several desktop computers. The technician is asked to keep

the overhead as low as possible to accommodate this rate. Which of the following should the

technician recommend?



Options are :

  • MPEG - 1
  • MPEG - 2
  • MPEG - 3
  • MPEG - 4

Answer : MPEG - 1

Comment / Suggestion Section
Point our Mistakes and Post Your Suggestions