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Ȩ > ÀÚ°ÝÁõ > CCNA
Cisco´Â Network ºÐ¾ß¿¡¼­ ¼¼°èÃÖ°íÀÇ ½ÃÀåÁ¡À¯À²À» ÀÚ¶ûÇÏ´Â HW±â¾÷ÀÌ¸ç ±× ÀÚ°ÝÀÇ °¡Ä¡´Â ÇöÁ¸ÇÏ´Â ÀÚ°ÝÁß °¡Àå ³ô´Ù°í ÇÕ´Ï´Ù. CiscoÀÚ°ÝÁ¦µµ´Â ±â¾÷³» ¼÷·ÃµÈ ³×Æ®¿öÅ© Àü¹®°¡ÀÇ ´É·ÂÀ» Cisco°¡ ÀÎÁõÇÏ´Â ÀÚ°Ý ÇÁ·Î±×·¥ÀÔ´Ï´Ù. CCNA´Â ½Ã½ºÄÚ ±â¼úÀ» ±â¹ÝÀ¸·Î ÇÏ´Â Áß°£±Ô¸ðÀÇ ¶ó¿ìÆÃ°ú ½ºÀ§ÄªµÈ ³×Æ®¿öÅ©¸¦ ¼³Ä¡¡¤±¸¼º¡¤¿î¿ë¡¤Àå¾ÖÁ¶Ä¡ ÇÒ ¼ö ÀÖ´Â ´É·ÂÀ» °ËÁõÇÕ´Ï´Ù. ±×¸®°í À̰ÍÀº WAN³»¿¡ ÀÖ´Â ¿ø°Ý»çÀÌÆ®·ÎÀÇ Á¢¼ÓÀ» ¼öÇàÇÏ°í °ËÁõÇÏ´Â °ÍÀ» Æ÷ÇÔ...
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¹®Á¦Ç®ÀÌ [TCP/IP-2]CCNA ½ÃÇè¹®Á¦Ç®ÀÌ
±Û¾´ÀÌ:ºñÆÒÇïÆÛ µî·ÏÀÏ:12.02.02 10:10:43 Á¶È¸:4115

¹®Á¦ 26) OSI 7 °èÃþ°ú TCP/IP ½ºÅà ºñ±³
Where does routing occur within the DoD TCP/IP reference model?

A. application
B. internet
C. network
D. transport

Á¤´ä) B
µµ¿ò)              OSI 7°èÃþ               TCP/IP 5°èÃþ
                   Application
                   Presentation            Application
                   Session
                   Transport               Transport
                   Network                 Internet
                   Datalink                Network Interface
                   Physical                (Hardware)


¹®Á¦ 27) DHCP ¼­¹ö¿¡ ÀÇÇÑ IPÇÒ´ç °úÁ¤À» ¹¯´Â ¹®Á¦
Which statement describes the process of dynamically assigning IP addresses by the DHCP server?

A. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
B. Addresses are permanently assigned so that the hosts uses the same address at all times.
C. Addresses are assigned for a fixed period of time, at the end of the period, a new request for an address must be made.
D. Addresses are leased to hosts, which periodically contact the DHCP server to renew the lease.

Á¤´ä) D
DHCP¿¡ ÀÇÇØ IP¿Í °ü·ÃµÈ Á¤º¸°¡ ÇÒ´çµÇ´Â °úÁ¤Àº 4´Ü°è¿¡ ÀÇÇØ¼­ ÀÌ·ç¾îÁø´Ù.

                          DHCPDiscover   : Ŭ¶óÀ̾ðÆ®
                          DHCPOffer      : ¼­¹ö
                          DHCPRequest    : Ŭ¶óÀ̾ðÆ®
                          DHCPAck        : ¼­¹ö
- ÇÒ´ç°úÁ¤Àº Çù»ó¿¡ ÀÇÇØ ÀÌ·ç¾îÁö´Â °ÍÀÌ ¾Æ´Ï¶ó ¼­¹ö°¡ Á¦½ÃÇÏ´Â IPÁÖ¼Ò¸¦ »ç¿ëÇÔ.
- ÇÒ´çµÈ IPÁÖ¼Ò´Â ÀÓ´ë±â°£µ¿¾È »ç¿ëµÈ´Ù.
- ÀÓ´ë±â°£ÀÇ Àý¹Ý°¡·® Áö³µÀ» ¶§ »ç¿ëÁßÀÎ IPÁÖ¼Ò¸¦ ´ã¾Æ¼­ DHCP¼­¹ö¿¡ ¿äû ÆÐŶÀ» º¸³¿.
  Áï, °»½Å(renew)¸¦ ¿ä±¸ÇÔ. µû¶ó¼­ DHCP¼­¹ö¿¡ ¹®Á¦°¡ ¾ø´Â ÀÌ»ó °°Àº IP¸¦ °è¼Ó »ç¿ëÇÒ    ¼ö ÀÖ´Ù.            

 

¹®Á¦ 28) ¾ÖÇø®ÄÉÀÌ¼Ç °èÃþ¿¡¼­ µ¿ÀÛÇÏ´Â DNS°¡ Àü¼Û°èÃþÀÇ ¾î´À ÇÁ·ÎÅäÄÝÀ» »ç¿ëÇÏ´ÂÁö¸¦          ¹¯´Â ¹®Á¦
Which network protocol does DNS use?

A. FTP
B. TFTP
C. TCP
D. UDP
E. SCP


Á¤´ä) D
µµ¿ò) DNS(Domain Name System) ÇÁ·ÎÅäÄÝÀº À̸§ÁÖ¼Ò¸¦ IPÁÖ¼Ò·Î º¯È¯ÇØÁÖ´Â ¿ªÇÒÀ» ÇÑ´Ù. DNS´Â ÀϹÝÀûÀÎ ÁúÀÇ¿¡´Â UDP 53¹øÀ» »ç¿ëÇϰí, DNS¼­¹ö°£ µ¥ÀÌÅÍÀü¼Û(Á¸ Æ®·£½ºÆÛ)½Ã¿¡´Â TCP 53¹øÀ» ÀÌ¿ëÇÑ´Ù. ¹®Á¦¿¡¼­ ÇѰ¡Áö¸¸ °í¸£°Ô µÇ¾î ÀÖ´Ù¸é UDP¸¦ ¼±ÅÃÇÑ´Ù. 

 

¹®Á¦ 29) ¹®Á¦ 21¹ø ÂüÁ¶
When two hosts are trying to communicate across a network, how does the host originating the communication determine the hardware address of the host that it wants to "talk" to?

A. RARP request
B. Show Network Address request
C. Proxy ARP request
D. ARP request
E. Show Hardware Address request

Á¤´ä) D
µµ¿ò) ÇÑ È£½ºÆ®°¡ ´Ù¸¥ È£½ºÆ®¿Í Åë½ÅÇϱâ À§Çؼ­´Â IPÁÖ¼Ò¿Í HardwareÁÖ¼Ò¸¦ ¾Ë¾Æ¾ßÇÑ´Ù. HardwareÁÖ¼Ò¸¦ ¾Ë¾Æ³»±â À§Çؼ­ »ç¿ëµÇ´Â ÇÁ·ÎÅäÄÝÀÌ ARP(Address Resolution Protocol)ÀÌ´Ù. ¹Ý´ë·Î HardwareÁÖ¼Ò·Î IPÁÖ¼Ò¸¦ ¾ò¾î¿À´Â ÇÁ·ÎÅäÄÝÀº RARP(Reverse ARP)ÀÌ´Ù.


¹®Á¦ 30) °ü¸®ÀÚ°¡ Traceroute¶ó´Â ¸í·ÉÀ» ½ÇÇàÇßÀ» ¶§, "¸ñÀûÁö µµ´ÞºÒ°¡"¶ó´Â ¸Þ½ÃÁö¸¦          ¹Þ¾Ò´Ù¸é, ÀÌ ¸Þ½ÃÁö ¹ß»ýÀ» Ã¥ÀÓÁö´Â ÇÁ·ÎÅäÄÝÀÌ ¹«¾ùÀÎÁö¸¦ ¹¯´Â ¹®Á¦.
An administrator attempts a traceroute but receives a "Destination Unreadable" message. Which protocol is responsible for that message?

A. RARP
B. RUDP
C. ICMP
D. SNMP

Á¤´ä) C
µµ¿ò) ½Ã½ºÅÛÀÇ ³×Æ®¿öÅ© »óŸ¦ ÆÄ¾ÇÇϴµ¥ »ç¿ëµÇ´Â ping°ú ÇØ´ç ½Ã½ºÅÛ±îÁö ÆÐŶÀÌ °ÅÄ¡´Â °æ·Î¸¦ ÆÄ¾ÇÇϴµ¥ »ç¿ëµÇ´Â traceroute¶ó´Â ÇÁ·Î±×·¥Àº ³×Æ®¿öÅ© °èÃþÀÇ IP(Internet Protocol) À§¿¡¼­ µ¿ÀÛÇÏ´Â ICMP(Internet Control Message Protocol)¸¦ »ç¿ëÇÑ´Ù.

ÆäÀÌÁö´çÃâ·Â¼ö : Ãâ·ÂÆäÀÌÁö¼ö : Á¤·Ä¹æ½Ä : µî·ÏÀÏ ³»¸²Â÷¼ø Àüü 6677°Ç
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