2013年12月26日星期四

CompTIA JK0-019認定試験に関連する一番良い過去問問題集

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現在の社会で人材があちこちいます。IT領域でも同じです。コンピュータの普及につれて、パソコンを使えない人がほとんどいなくなります。ですから、IT業界で勤めているあなたはプレッシャーを感じていませんか。学歴はどんなに高くてもあなたの実力を代表できません。学歴はただ踏み台だけで、あなたの地位を確保できる礎は実力です。IT職員としているあなたがどうやって自分自身の実力を養うのですか。IT認定試験を受験するのは一つの良い方法です。JK0-019試験を通して、あなたは新しいスキルをマスターすることができるだけでなく、JK0-019認証資格を取得して自分の高い能力を証明することもできます。最近、CompTIA JK0-019試験の認証資格がとても人気があるようになりましたが、受験したいですか。

試験番号:JK0-019問題集
試験科目:CompTIA Network+ Certification Exam
最近更新時間:2013-12-26
問題と解答:全637問
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NO.1 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問題集   JK0-019認定証   JK0-019   JK0-019   JK0-019認証試験   JK0-019認定試験

NO.2 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   JK0-019   JK0-019認定資格   JK0-019認定証   JK0-019練習問題   JK0-019練習問題

NO.3 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   JK0-019   JK0-019練習問題

NO.4 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認定資格   JK0-019問題集   JK0-019   JK0-019   JK0-019認証試験

NO.5 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   JK0-019参考書   JK0-019認証試験

NO.6 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   JK0-019   JK0-019問題集

NO.7 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認定資格

NO.8 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練習問題   JK0-019認定資格   JK0-019認定資格

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

CompTIA認証試験   JK0-019参考書   JK0-019

NO.10 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   JK0-019練習問題   JK0-019   JK0-019

NO.11 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

CompTIA認定資格   JK0-019   JK0-019認定資格   JK0-019   JK0-019

NO.12 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問題集   JK0-019   JK0-019認定試験

NO.13 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

CompTIA認定試験   JK0-019   JK0-019   JK0-019練習問題

NO.14 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認定資格   JK0-019認証試験   JK0-019認定資格   JK0-019問題集

NO.15 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

CompTIA   JK0-019   JK0-019

NO.16 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認定証   JK0-019   JK0-019

NO.17 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

CompTIA   JK0-019認定証   JK0-019認定資格   JK0-019練習問題

NO.18 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参考書   JK0-019   JK0-019   JK0-019認定資格

NO.19 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   JK0-019

NO.20 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   JK0-019問題集   JK0-019

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