استشاره منكم

[sasa123456]

ممكن استشيركم ببعض الاسئله بموضوع ccna1 Cisco Discovery

1---choose the option that shows the correct sequence of steps in the encapsulation of TCP/IP data that is passed from a source to a destination host?
A. converts data to bits for transmission
B. packages the data for end to end transport
C. adds the data-link header and trailer
D. adds the network IP address to the header of the frame
• A,B,C,D
• A,C,D,B
• B,D,C,A
• B,C,D,A
• D,C,B,A


2--- Which wireless protocol is used for encryption?
• EAP
• Open
• PSK
• WEP

3--. Which of the following statements best describes DNS?
• DNS servers are used to map an IP address to a physical address.
• DNS servers are used to map a name to an IP address.
• DNS servers are used to configure logical address information for host computers.
• DNS servers are used to translate from private addresses to public addresses


4---. When considering the purchase of a new operating system, what is meant by "Total Cost of Ownership?"
• applications and support costs
• hardware and support costs
• hardware and software costs
• hardware, software, and support costs
• hardware, operating system, and applications costs


5---- The area covered by a single AP is known as what?
• ad-hoc network
• basic service set
• independent basic service set
• extended service set
• distribution system

[Creed]

بسم الله الرحمن الرحيم :

السؤال الاول:

BDCA

اول شي الكمبيوتر بعمل end to end to tansport the data ومعناها الجواب B يأتي بالاول
بما انو network layer بتيجي قبل ال Data link معناها الاجابه D
بما انو ال MAC Address بطبقه DATA LINK بتيجي قبل ال Physical معناها الاجابه C
وبالاخر ال BITS بطبقه ال physical

السؤال التاني:
EAP WEP PSK

السؤال الثالث:
DNS servers are used to map a name to an IP address.

السؤال الرابع:
hardware, operating system, and applications costs

السؤال الخامس:
اذا مش غلطان قصدهم بال access point يعني ad-hoc network

[sasa123456]

بارك الله فيك
سؤال التاني؟ اعتقد انه ويب الجواب؟؟؟

اسئله اخرى ارجو التعاون وشرح الاجوبه

What are two advantages of purchasing a custom-built computer? (Choose two.)

usually a lower cost
no waiting period for assembly
user can specify higher performance components
supports higher-end graphics and gaming applications
fewer components to replace



What information within a data packet does a router use, by default, to make forwarding decisions?

the destination MAC address
the destination IP address
the destination host name
the destination service requested



Select three statements that correctly describe how DHCP services may be provided. (Choose three.)

An integrated router provides IP configurations for most ISPs.
An integrated router can act as both DHCP server and DHCP client.
A home PC using a static IP address obtained that address from a DHCP server.
Most home network integrated routers receive an IP configuration directly from their ISP.
A variety of devices can act as DHCP servers, as long as they run DHCP service software.
A home PC is required by standards to obtain an IP address and default gateway from a DHCP server (usually the ISP).



Which of the following are transport layer protocols of the TCP/IP model? (Choose two.)

FTP
UDP
SMTP
TFTP
TCP



What action will a router take when it receives a frame with a broadcast MAC address?

It will not forward the frame to another network.
It forwards the frame back to the sending host with its IP address as a response.
It forwards the frame out of all interfaces except the interface where the frame was received.
It forwards the frame back out the receiving interface to insure all hosts on the local network receive it.

شو رايكم صح والا خطأ؟؟؟؟؟؟؟

[sasa123456]

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