2013年10月3日星期四

CompTIA JK0-019 examen pratique questions et réponses

Nous croyons que pas mal de candidats voient les autres site web qui offrent les ressources de Q&A CompTIA JK0-019. En fait, le Pass4Test est le seul site qui puisse offrir la Q&A recherchée par les experts réputés dans l'Industrie IT. Grâce à la Q&A de Pass4Test impressionée par la bonne qualité, vous pouvez réussir le test CompTIA JK0-019 sans aucune doute.

Pass4Test vous promet de vous aider à passer le test CompTIA JK0-019, vous pouvez télécharger maintenant les Q&As partielles de test CompTIA JK0-019 en ligne. Il y a encore la mise à jour gratuite pendant un an pour vous. Si vous malheureusement rater le test, votre argent sera 100% rendu.

Code d'Examen: JK0-019
Nom d'Examen: CompTIA (CompTIA Network+ Certification Exam)
Questions et réponses: 637 Q&As

Pass4Test est aussi un site d'offrir la ressource des connaissances pour le test Certification IT. Selon les Feedbacks venus de gens qui ont untilié les produits de Pass4Test, Pass4Test est un site fiable comme l'outil de se former. Les Q&As offertes par Pass4Test sont bien précises. Les experts de Pass4Test mettent à jour nos documentations de formation de temps de temps.

Le test CompTIA JK0-019 est test certification très répandu dans l'industrie IT. Vous pourriez à améliorer votre niveau de vie, l'état dans l'industrie IT, etc. C'est aussi un test très rentable, mais très difficile à réussir.

Le test CompTIA JK0-019 peut bien examnier les connaissances et techniques professionnelles. Pass4Test est votre raccourci amené au succès de test CompTIA JK0-019. Chez Pass4Test, vous n'avez pas besoin de dépenser trop de temps et d'argent juste pour préparer le test CompTIA JK0-019. Travaillez avec l'outil formation de Pass4Test visé au test, il ne vous demande que 20 heures à préparer.

JK0-019 Démo gratuit à télécharger: http://www.pass4test.fr/JK0-019.html

NO.1 Which of the following network topologies, when a single machine's cable breaks, would only affect one
network device and not the rest of the network?
A. Bus
B. Peer-to-peer
C. Ring
D. Star
Answer: D

CompTIA examen   JK0-019 examen   JK0-019

NO.2 Sandy, a network administrator, wants to be able to block all already known malicious activity.
Which of the following would allow her to perform this activity.?
A. Behavioral Based IDS
B. Signature Based IDS
C. Behavioral Based IPS
D. Signature Based IPS
Answer: D

CompTIA   JK0-019   JK0-019

NO.3 Which of the following should Joe, a technician, do FIRST when setting up a SOHO network?
A. Set up an account with an Internet service provider.
B. Create a list of requirements and constraints.
C. Arrange a domain name with a suitable registrar.
D. Choose the correct operating system version.
Answer: B

CompTIA   certification JK0-019   certification JK0-019

NO.4 Sandy, a technician, wants to limit access to a wireless network to company owned laptops, but does
not want to use an encryption method. Which of the following methods would be BEST to accomplish
this?
A. MAC filtering
B. SSL VPN
C. PPPoE
D. WPA Enterprise
Answer: A

CompTIA   certification JK0-019   JK0-019 examen   JK0-019

NO.5 Which of the following is a form of encrypting packets for safe, secure data transmission within a
network?
A. RAS
B. PPTP
C. IPSec
D. ICA
Answer: C

certification CompTIA   JK0-019   JK0-019 examen   JK0-019   JK0-019

NO.6 Which of the following TCP/IP and OSI model layers retransmits a TCP packet if it is not received
successfully at its destination?
A. The transport OSI model layer and the transport TCP/IP model layer
B. The transport OSI model layer and the Internet TCP/IP model layer
C. The network OSI model layer and the transport TCP/IP model layer
D. The network OSI model layer and the Internet TCP/IP model layer
Answer: A

CompTIA examen   JK0-019   JK0-019

NO.7 Two duplicate pieces of equipment can be used in conjunction for which of the following purposes?
(Select TWO)
A. High availability
B. Fault tolerance
C. Reduce latency
D. Wi-MAX
E. CARP
Answer: A,B

CompTIA   JK0-019 examen   JK0-019

NO.8 Joe, a user, is unable to reach websites, but is able to ping several Internet IPv4 addresses. Which of
the following is the MOST likely problem?
A. Incorrect subnet mask
B. Incorrect DNS
C. Missing default gateway
D. Incorrect IPv6 address
Answer: B

CompTIA   JK0-019 examen   certification JK0-019   certification JK0-019   certification JK0-019

NO.9 Which of the following network scanners detects and sends out alerts for malicious network activity?
A. Packet sniffers
B. IDS
C. Port scanners
D. IPS
Answer: B

certification CompTIA   JK0-019   JK0-019 examen   JK0-019   JK0-019

NO.10 Joe, a network technician, is tasked with installing a router and firewall to get an office working with
Internet access.
Which of the following features MUST be configured to allow sharing of a single public IP address?
A. QoS
B. POP3
C. PAT
D. SMTP
Answer: C

CompTIA   certification JK0-019   JK0-019

NO.11 Which of the following network appliances would facilitate an even amount of traffic hitting each web
server?
A. Load balancer
B. VPN concentrator
C. Proxy server
D. Content filter
Answer: A

certification CompTIA   certification JK0-019   JK0-019   certification JK0-019

NO.12 Sandy, the network administrator, has funding to do a major upgrade of the company s LAN. This
upgrade is currently in the planning stage, and Sandy still needs to determine the network requirements,
bottlenecks, and any future upgrades in mind. Which of the following is the FIRST step in the planning
process?
A. Conduct a vulnerability scan
B. Establish a network baseline
C. Conduct traffic analysis
D. Conduct a risk assessment
Answer: B

CompTIA   JK0-019   JK0-019 examen   JK0-019 examen

NO.13 Which of the following is an example of two-factor authentication?
A. A username and PIN
B. A username and password
C. A username, password, finger print scan, and smart card
D. A username, password, and key fob number
Answer: D

CompTIA   JK0-019   JK0-019 examen   JK0-019

NO.14 Sandy, a technician, installs a new WAP and users are able to connect; however, users cannot access
the Internet. Which of the following is the MOST likely cause of the problem?
A. The signal strength has been degraded and latency is increasing hop count.
B. An incorrect subnet mask has been entered in the WAP configuration.
C. The signal strength has been degraded and packets are being lost.
D. Users have specified the wrong encryption type and routes are being rejected.
Answer: B

certification CompTIA   JK0-019   JK0-019 examen   JK0-019

NO.15 Which of the following sizes is the fixed cell length in ATM?
A. 8 bytes
B. 53 bytes
C. 64 kilobytes
D. 128 kilobytes
Answer: B

CompTIA   certification JK0-019   JK0-019   certification JK0-019   JK0-019

NO.16 Joe, a technician, is configuring ports on a switch. He turns off auto-negotiation and sets the port
speed to 1000 Mbps. A user s PC is no longer able to access the network.
Which of the following is MOST likely the problem?
A. The user s NIC does not support 1Gbps
B. The switch is not compatible with 1000Mbps.
C. The user's NIC does not support 100Mbps.
D. Joe needs to restart the DNS server.
Answer: A

CompTIA examen   JK0-019 examen   JK0-019 examen   JK0-019   JK0-019

NO.17 Which of the following would Joe, a technician, configure to modify the time a device will hold an IP
address provided through DHCP?
A. DNS suffixes
B. Leases
C. Static IP addressing
D. Reservations
Answer: B

certification CompTIA   JK0-019   JK0-019 examen   certification JK0-019   JK0-019 examen

NO.18 Which of the following connector types would Sandy, a network technician, use to connect a serial
cable?
A. RJ-11
B. BNC
C. LC
D. DB-9
Answer: D

CompTIA   JK0-019   certification JK0-019   JK0-019   JK0-019   JK0-019

NO.19 A company has only three laptops that connect to their wireless network. The company is currently
using WEP encryption on their wireless network. They have noticed unauthorized connections on their
WAP and want to secure their wireless connection to prevent this.
Which of the following security measures would BEST secure their wireless network? (Select TWO).
A. Change the encryption method to WPA
B. Limit the DHCP scope to only have three addresses total
C. Enable the SSID broadcast
D. Enable and configure MAC filtering
E. Change the broadcast channel to a less commonly used channel
Answer: A,D

CompTIA   JK0-019 examen   JK0-019 examen   JK0-019

NO.20 The location that the local network connection ends and the ISP responsibility begins is known as the:
A. Access point.
B. Default gateway.
C. IDF connection.
D. Demarcation point.
Answer: D

CompTIA   JK0-019   JK0-019   JK0-019   certification JK0-019

Le test simulation offert par Pass4Test est bien proche du test réel. Vous pouvez apprendre tous essences d'un test réel à courte terme avec l'aide de Pass4Test. Pass4Test peut vous assurer le succès 100% de test CompTIA JK0-019.

没有评论:

发表评论