¡¤ CCNA(Cisco Certified Network Associate)
¡¤ ÁÖÁß : 12.07 - 01.03 / ÁÖ¸» : 12.10 - 01.08
¡¤ ÃÖ¼ö±æ, ·ùâ¿Ï, ä±Ô³², ¿Àâ¼®
¡¤ ¾ÆÀÌÆ¼Àª ±³À°¼¾ÅÍ(¼¿ïº»¿ø | ºÎ»êÁöÁ¡)
¡¤ ¿ÀÀü:20¸í Àú³á:20¸í ÁÖ¸»:20¸í Ư°:
¡¤ T.080-852-5858 (´ã´ç:ÀÌȣö ÆÀÀå)
¡¤ Àüȹ®ÀÇ | ¿Â¶óÀÎ »ó´ã | ÀÔÇпø¼ÀÛ¼º
¡¤ ±Ù·ÎÀÚ ¼ö°Áö¿ø±Ý | »ç¾÷ÁÖ Á÷¾÷´É·Â ÈÆ·ÃÀ§Å¹
¡¤ \ 248,390¿ø * (1) = \248,390¿ø
2007³â 11¿ùºÎÅÍ ½ÃÇàµÇ´Â cisco CCNA ÀÎÁõÀÌ È® ´Þ¶óÁ³½À´Ï´Ù .
°ú¸ñÄڵ尡 640-801¿¡¼ 640-802·Î ¾÷±×·¹ÀÌµå µÊ¿¡ µû¶ó ¾Æ·¡ÀÇ ³»¿ëÀÌ Ãß°¡µÇ¾ú½À´Ï´Ù.
¿ì¼± ³×Æ®¿öÅ© ±Ô¸ð°¡ ¼Ò±Ô¸ð¿¡¼ Áß±Ô¸ð·Î ¾÷±×·¹ÀÌµå µÇ¾ú½À´Ï´Ù.
±×·¡¼ NAT³ª ACLÀÇ ¾²ÀÓÀÌ ¾÷±×·¹ÀÌµå µÇ¾úÀ¸¸ç, CLI-IOS¸¦ »ç¿ëÇÔ¿¡
µû¶ó CLI(Command-Line Interface)ÀÇ ³»¿ëÀÌ Ãß°¡µÇ¾ú°í, º¸¾È ³»¿ëÀÌ Ãß°¡µÊ¿¡ µû¶ó SDM(Security
Device Manager)À» »ç¿ëÇϸç, VPN ±â¼úÀÌ Æ÷ÇԵǾú½À´Ï´Ù.
¹«¼± ·£ÀÎ WLAN(Wireless LAN)ÀÌ Ãß°¡ µÇ¾ú°í, ½Ç¹«À§ÁÖÀÇ Frame Relay ±¸¼ºÀ» ÇÏ½Ã°Ô µË´Ï´Ù.
¶ÇÇÑ IPv4¿¡¼ IPv6·Î ¾÷±×·¹ÀÌµå µÇ¾î IPv6ÀÇ protocols, dual stack, tunneling,
AddressingÀ» ¹è¿ì½Ã°Ô µË´Ï´Ù. ½ºÀ§Ä¡ºÎºÐ¿¡¼´Â ¿ø°ÝÁ¦¾î ¹× ±âÃÊÀûÀÎ º¸¾ÈÀÌ Ãß°¡µÇ¾ú½À´Ï´Ù
Router, Switch ³×Æ®¿÷ Àåºñ ¼³Ä¡ÀÚ
Cisco Àåºñ, ¼ºñ½º¿¡ Àͼ÷ÇÏÁö ¾ÊÀº ³×Æ®¿÷ ±â¼úÀÚ
SMB Network À» ±¸ÇöÇÏ°í °ü¸®ÇÒ Ã¥ÀÓÀÌ ÀÖ´Â ³×Æ®¿÷ °ü¸®ÀÚ
Small Business ȯ°æÀÇ ÃÖÀϼ± Support Á÷¿ø
Medium & Enterprise ±â¾÷¿¡¼ Help deskÀÇ ¾÷¹«¸¦ ¼öÇàÇÏ´Â ³×Æ®¿÷ Á÷¿ø
Internetworking »ê¾÷À̳ª Cisco Àåºñ¿¡ Àͼ÷ÇÏÁö ¾ÊÀº °í°´
³×Æ®¿öÅ© ¸í¼¼¿¡ µû¶ó ½Ã½ºÄÚ ½ºÀ§Ä¡¿Í ¶ó¿ìÅ͸¦ »óÈ£ ¿¬°á
ÁÖ¾îÁø »óȲ¿¡ µû¶ó Çãºê, ÀÌ´õ³Ý½ºÀ§Ä¡, ¶Ç´Â ¶ó¿ìÅ͸¦ ÀûÀýÈ÷ ¼±ÅÃ
½ºÀ§Ä¡¿Í ¶ó¿ìÅÍ ¹× ¼³Á¤µÈ ³×Æ®¿öÅ© ¼ºñ½º¿Í ÇÁ·ÎÅäÄݵéÀÇ µ¿ÀÛ À¯¹« ÇÐÀÎ
»óÈ£ ¿¬°áµÈ ½Ã½ºÄÚ ÀåºñµéÀ» Æ÷ÇÔÇÏ´Â ³×Æ®¿öÅ©¿¡¼ ÀÎÅÍÆäÀ̽º, ÁÖ¼Ò, ÇÁ·ÎÅäÄÝ, ¿¬°á»óÅÂ
³×Æ®¿öÅ© Àåºñ¿¡ ´ëÇÑ Á¢±Ù°ú ³×Æ®¿öÅ© Æ®·¡ÇÈÀ» ÅëÁ¦Çϱâ À§ÇØ access list ¼³Á¤
¼Ò±Ô¸ð ³×Æ®¿öÅ©¿¡¼ ¼³Ä¡, ¿î¿µ, ¹®Á¦ÇذáÀÌ °¡´ÉÇØ¾ß Çϸç WAN ¿¬°á, ±âÃʺ¸¾È°ú
¹«¼±¿¬°á, ±âÃÊÀûÀÎ ¶ó¿ìÆÃ°ú ½ºÀ§Äª, TCP/IP¿Í OSI ¸ðµ¨, IP Addressing, WAN ±â¼ú, IOSÀÇ ±¸¼º°ú
¿î¿µ, RIPv2, Static°ú ±âº» ¶ó¿ìÆÃ, NAT¿Í DCP, °£´ÜÇÑ ³×Æ®¿öÅ© ±¸¼ºµî ±âÃÊÀûÀÎ ³×Æ®¿öÅ·À» Æ÷ÇÔÇϰí
ÀÖ½À´Ï´Ù.
Áß±Ô¸ðÀÇ ³×Æ®¿öÅ©¿¡¼ ¼³Ä¡, ¿î¿µ, ¹®Á¦ÇذáÀ» ÇØ¾ß Çϸç VLSM°ú IP Addressing, VLANÀ» ÀÌ¿ëÇÑ
½ºÀ§Ä¡ ³×Æ®¿öÅ©, VLANÀÇ ±¸¼º°ú ¹®Á¦Çذá, VTP/RSTP/ OSPF/EIGRP ÇÁ·ÎÅäÄÝ, IP °æ·Î¼³Á¤, Access
List¸¦ ÀÌ¿ëÇÑ Æ®·¡ÇÈ Á¦¾î, NAT¿Í DHCP, Point-to-point ¿¬°á°ú Frame Relay ¿¬°á µîÀÇ
³»¿ëÀ» Æ÷ÇÔÇϰí ÀÖ½À´Ï´Ù.
³×Æ®¿÷ µðÀÚÀÎÀ» À§ÇØ Cisco Router¿Í Switch ¿¬°áÇϱâ[1SETÀ̶õ?
Router-2500~(2´ë)+2600~(1´ë) & Switch(1´ë) - 3ÀÎ 1Á¶]
Hub, Ethernet Switch, Router À» »óȲ¿¡ µû¶ó ¾Ë¸Â°Ô »ç¿ëÇϱâ
Ư¼ºÈµÈ Protocol, ±â¼úµéÀ» Áö¿øÇÏ¿© Cisco Router¿Í Switch¸¦ ¼³Á¤Çϱâ
Multiple Interconnected Cisco devices°¡ Æ÷ÇÔµÈ ³×Æ®¿÷¿¡¼ Address, Protocol,
¿¬°á»óŸ¦ È®ÀÎÇÏ´Â Cisco Software »ç¿ëÇϱâ
[Ãë¾÷°ÁÂ
Click] - ÇöÀç IT¾÷°è¿¡¼ Àý´ëÀûÀ¸·Î ¸ðÀÚ¶ó´Â ³×Æ®¿öÅ©º¸¾È Àü¹®ÀηÂÀ» ¾ç¼ºÇϱâ À§ÇÑ ³×Æ®¿öÅ©º¸¾È°ü·Ã
Ãë¾÷Àü¹® ´ëºñ¹Ý °Á´ º°µµ °ÀÇÁøÇà .
°ú¸ñ
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Interconnecting
Cisco Networking
Devices Part 1 (ICND1)
2ÁÖ
°³¿ä
½ºÀ§Äª, ¶ó¿ìÆÃ, WAN ¿¬°á, º¸¾Èµî ¼Ò±Ô¸ð ³×Æ®¿öÅ©ÀÇ ¼³Ä¡, ¿î¿µ, ¹®Á¦ÇذáÀÇ ±â¼úÀ» ÇØ¿ì´Â °úÁ¤ÀÔ´Ï´Ù.
¼ö°»ýµéÀº ¼Ò±Ô¸ð ³×Æ®¿öÅ©¸¦ °ü¸®ÇÒ ¼ö ÀÖ°Ô µÉ °ÍÀÔ´Ï´Ù.
³»¿ë
- OSI 7 Layer¿Í ³×Æ®¿öÅ© ¿¬°á¿¡ °üÇÑ ÁÖ¿ä ±â´É
- Host°£ ÆÐŶÀü¼Û ¹æ¹ý, Ethernet LAN, Switched LAN
- RF »ç¿ë¹æ¹ý
- TCP/IP¸¦ ÀÌ¿ëÇÑ ³×Æ®¿öÅ·
- RouterÀÇ Ãʱ⠼³Á¤°ú °ü¸®
- PPP, Static/Dynamic Routing, PAT, RIP
½Ç½À
1. °£´ÜÇÑ ³×Æ®¿öÅ© ¸¸µé±â
2. Ethernet LAN(Local Area Networks)
3. Wireless LAN(Local Area Networks)
4. ¶ó¿ìÅÍÀÇ ±â´É ¾Ë¾Æº¸±â
5. WAN(Wide Area Networks
6. ³×Æ®¿öÅ© ȯ°æ °ü¸®
Interconnecting
Cisco Networking
Devices Part 2 (ICND2)
2ÁÖ
°³¿ä
WAN±¸¼º°ú ³×Æ®¿öÅ© º¸¾È¿¡ ÇÊ¿äÇÑ ¿©·¯ ¶ó¿ìÅÍ, ½ºÀ§Ä¡¸¦ ¼³Á¤ÇÏ´Â ±â¼úÀÔ´Ï´Ù. Áß±Ô¸ð ³×Æ®¿öÅ·¿¡ ÇÊ¿äÇÑ ¼³Ä¡,
¿î¿ë, ¹®Á¦ÇØ°á ¹æ¹ý¿¡ ÃÊÁ¡À» µÎ°í ÀÖ½À´Ï´Ù.
³»¿ë
- ¼Ò±Ô¸ð ³×Æ®¿öÅ©ÀÇ ±¸¼º°ú ¹®Á¦ ÇØ°á
- ¼Ò±Ô¸ð¿¡¼ Áß±Ô¸ð±îÁöÀÇ LAN±¸¼º (Multiple Switch, VLAN, Trunking, Spanning
Tree)
- Áß±Ô¸ð ³×Æ®¿öÅ©ÀÇ ¶ó¿ìÆÃ °³³ä
- OSPF, EIGRP
- Áß±Ô¸ð ³×Æ®¿öÅ©¿¡¼ÀÇ ACL(Access Control List)
- Áß±Ô¸ð ³×Æ®¿öÅ©¿¡¼ NAT, PAT
- WAN±¸¼º
½Ç½À
1. ¼Ò±Ô¸ð ³×Æ®¿öÅ© ±¸¼º
2, Á߱Ը𠽺À§Ä¡ ³×Æ®¿öÅ© ±¸Á¶
3. Áß±Ô¸ð ¶ó¿ìÆÃ ³×Æ®¿öÅ© ±¸Á¶
4. OSPF ´ÜÀÏ Area ±¸¼º
5. EIGRP ±¸¼º
6. Access Control List
7. IP ÁÖ¼Ò °ü¸®
8. LANÀÇ ¿¬Àå WAN
¿ÀÀü¹Ý
Ãë¾÷Áö¿ø¹Ý / ¹æÇÐÆ¯°¹Ý
Àú³á¹Ý
ÁÖ¸»¹Ý
[¿ù~±Ý] 10:00 ~ 12:30
[¿ù~±Ý] 13:30 ~ 18:30
[¿ù~±Ý] 19:30 ~ 22:00
[Åä] 14:00 ~ 20:30
[ÀÏ] 11:00 ~ 17:30
¹æÇÐÆ¯°¹ÝÀº
'¼ö°¾È³»' - '¹æÇÐÆ¯° ¼ö°¾È³»' ¸Þ´ºÀÇ ÆäÀÌÁö¸¦ Ŭ¸¯ÈÄ È®ÀÎÇϽñ⠹ٶø´Ï´Ù.
³×Æ®¿öÅ©º¸¾È 100% Ãë¾÷Áö¿øÀº ¿ÞÂÊ Ä¿¸®Å§·³¸Þ´ºÀÇ '³×Æ®¿öÅ©º¸¾ÈÃë¾÷Áö¿ø¹Ý ' °úÁ¤À» ÂüÁ¶Çϼ¼¿ä
- ÁÖ°£¹Ý : <½Ç½ÀÀåºñ »ç¿ë½Ã°£ : ÆòÀÏ 06:00 ~ ÀÍÀÏ 18:00>
- ¾ß°£¹Ý : <½Ç½ÀÀåºñ »ç¿ë½Ã°£ : ÆòÀÏ 18:00 ~ ÀÍÀÏ 06:00>
- ÁÖ¸»¹Ý : <½Ç½ÀÀåºñ »ç¿ë½Ã°£ : Åä¿äÀÏ ¿ÀÀü 06:00 ~ ¿ù¿äÀÏ ¿ÀÀü 06:00>
- Introduction to Networking, Network Types,
Network Media
- Switching Fundamentals, TCP/IP, IP Addressing and Routing
- WAN Technologies, Operating and Configuring Cisco IOS Devices
- Managing your Network Environment
- Extending Switched Networks with VLANs
- Spanning Tree Protocol Overview
- Determining IP Routes, Managing IP Traffic with Access Lists
- Establishing Serial Point-to-Point Connections
- Establishing Frame Relay Connections
- Completing ISDN Calls
ÁÖÂ÷
¼¼ºÎ ³»¿ë
1ÁÖÂ÷
Data Network
- ¿©·¯ °¡Áö ³×Æ®¿öÅ© ÀåºñÀÇ ±â´É°ú ¿ëµµ
- ³×Æ®¿öÅ© ±ÔÁ¤ ½Àµæ
- OSI, TCP/IP¸ðµ¨À» ÀÌ¿ëÇÑ µ¥ÀÌÅÍÀÇ È帧.
- Web ApplicationÀ» Æ÷ÇÔÇÑ Networking Applications
- OSI, TCP ¸ðµ¨ ProtocolµéÀÇ ±âº» ¿î¿µ°ú ¿ëµµ
- ³×Æ®¿öÅ©»óÀÇ Application Ãæµ¹
- Network Diagram
- ´Ù¸¥ ³×Æ®¿öÅ©ÀÇ HOSTµéÀÇ °æ·Î¼³Á¤
- Network¿Í ÀÎÅÍ³Ý Åë½ÅÀÇ ±¸¼º¿ä¼Ò
- Layers 1,2,3,7 °èÃþ¿¡ ´ëÇÑ ³×Æ®¿öÅ© ¹®Á¦ ÆÄ¾Ç°ú ÇØ°á
- LAN°ú WANÀÇ ±¸º°
¼Ò±Ô¸ð Switched network
- ½ºÀ§Ä¡¿¡¼ ´Ù¸¥ ³×Æ®¿öÅ© Àåºñ¿Í È£½ºÆ®¿¡ ¿¬°áÇÏ´Â ¸Åü, ÄÉÀ̺í, Æ÷Æ®, Connector
- Ethernet¿¡ Á¢±ÙÇÏ¿© Á¦¾î ÇÏ´Â ±â¼ú
- ³×Æ®¿öÅ© ºÐÇÒ°ú ±âº» °ü¸® °³³ä
- ±âº» ½ºÀ§Ä¡ ¿î¿µ
- ½ºÀ§Ä¡ ±¸¼º, ¿ø°ÝÁ¦¾î°ü¸®
- ±âº» À¯Æ¿¸®Æ¼(ping, traceroute,telnet,SSH,arp, ipconfig), SHOW,
DEBUG¸¦ ÅëÇÑ ³×Æ®¿öÅ© »óÅ ȮÀΰú ½ºÀ§Ä¡ ¿î¿ë
- ±âÃÊ ½ºÀ§Ä¡ º¸¾È(port security, deactivate ports)
- ÀÚÁÖ ¹ß»ýÇÏ´Â ³×Æ®¿öÅ©»ó ¹®Á¦Á¡°ú ½ºÀ§Ä¡ Çϵå¿þ¾îÀÇ ¹®Á¦Á¡ ÆÄ¾Ç
¼Ò±Ô¸ð ³×Æ®¿öÅ©ÀÇ IP Addressing°ú IP Service
- ³×Æ®¿öÅ©ÀÇ IP ÁÖ¼Ò ¼³Á¤ ±ÔÁ¤
- Host, Server, LANȯ°æÀÇ ³×Æ®¿öÅ· ÀåºñµéÀÇ IP ÁÖ¼Ò ¼³Á¤
- ¼Ò±Ô¸ð ³×Æ®¿öÅ©»óÀÇ NATÀÇ ±âº» »ç¿ë¹ý
- DNS ¿î¿µ
- °øÀÎ IP¿Í »ç¼³ IPÀÇ Æ¯Â¡°ú »ç¿ë
- ¼Ò±Ô¸ð ³×Æ®¿öÅ©»óÀÇ NAT, SDM, CLIÀÇ »ç¿ë
- ¶ó¿ìÅÍ¿¡¼ DNS ¿î¿ë°ú DHCP ¹®Á¦Çذá
- LANȯ°æ¿¡¼ Static°ú Dynamic Service
- ¾Ë¸ÂÀº IP ÁÖ¼Ò ÇÒ´ç
2ÁÖÂ÷
¼Ò±Ô¸ð ³×Æ®¿öÅ© ±¸¼º
- ±âº» Routing °³³ä(ÆÐŶ Àü´Þ, ¶ó¿ìÅÍ Á¡°Ë)
- ½Ã½ºÄÚ ¶ó¿ìÅÍÀÇ ¿î¿ë(¶ó¿ìÅÍ ±¸¼º¿ä¼Ò, POST, ¶ó¿ìÅÍ ºÎÆ®¾÷)
- ¶ó¿ìÅͰ¡ ´Ù¸¥ ³×Æ®¿öÅ© Àåºñ¿Í È£½ºÆ®µî°ú ¿¬°áÇÒ ¶§ »ç¿ëµÇ´Â ¸Åü, ÄÉÀ̺í, Æ÷Æ®, Connector
- RIPv2
- CLI ±âº» ¼³Á¤°ú Ȱ¿ë
- InterfaceÀÇ ¿î¿ë, ±¸¼º, ¿¬°á
- Ping, Traceroute, Telnet, SSHµîÀÇ ÀÌ¿ë ¹æ¹ý
- IOS ±¸¼º ÆÄÀÏ °ü¸®(save, edit, upgrade, restore)
- ½Ã½ºÄÚ IOS °ü¸®
- Password¿Í ¹°¸®Àû º¸¾È ¼³Á¤
- Show/ Debug ¸í·É¾î, ¶ó¿ìÅ͸¦ ¿î¿ëÇÏ´Â ¼³Á¤(ping, traceroute,telnet,SSH,arp,
ipconfig)
WLAN(Wireless Network)
- ¹«¼± ¸ÅüµéÀÇ Ç¥ÁØ(IEEE WI-FI Alliance, ITU/FCC)
- ¼Ò±Ô¸ð Wireless network(SSID, BSS, ESS)
- Wireless Network ±¸¼º°ú ±âº» Parameter
- Wireless Network º¸¾È°ú WPA º¸¾ÈÀÇ ºñ±³(open, WEP, WPA-1/2)
- ¹«¼± ³×Æ®¿öÅ© µµ±¸
³×Æ®¿öÅ© º¸¾ÈÀ» À§ÇùÇÏ´Â ¿ä¼Ò
- ¿À´Ã³¯ÀÇ ³×Æ®¿öÅ© º¸¾È°ú ³×Æ®¿öÅ© Á¤Ã¥À» À§ÇùÇÏ´Â ¿ä¼Ò
- ÀϹÝÀûÀÎ ³×Æ®¿öÅ© Àåºñ, È£½ºÆ®, ApplicationÀ» ¸Á°¡Æ®¸®´Â ³×Æ®¿öÅ© º¸¾ÈÀÇ À§Çè ¿ä¼Ò
- º¸ÅëÀÇ º¸¾È ÀåÄ¡¿Í ApplicationÀÇ ±â´É
- ¿¹ÀüÀÇ º¸¾È Àåºñ¸¦ »ç¿ëÇÔ¿¡ ÀÖ¾î ÃßõµÇ¾ú´ø º¸¾È ½À°ü
WAN
- WANÀ¸·Î ¿¬°áÇÏ´Â ¹æ¹ýµé
- ±âº» WAN Serial ¿¬°á
3ÁÖÂ÷
Switching
- ½ºÀ§Ä¡ ±â¼ú (VTP, RSTP, VLAN, PVSTP, 802.1q)
- VLANÀ» ¸¸µé¾î ³í¸®ÀûÀ¸·Î ³×Æ®¿öÅ©¸¦ ±¸ºÐÇϰí, ±× »çÀÌÀÇ °æ·Î¼³Á¤
- VLAN ±¸¼º ¹× °ËÁõ, ¹®Á¦Çذá
- CISCO Switch trunking
- InterVLAN Routing
- VTP
- RSTP
- Cisco SwitchÀÇ Ä¿¸Çµå
- ±âÃÊ Switch º¸¾È(port security, unassigned ports, trunk accessµî)
Áß±Ô¸ðÀÇ ³×Æ®¿öÅ© ¼³Ä¡
- VLSM IP Addressing
- LAN/WAN ȯ°æ¿¡¼ VLSM°ú SummarizationÀ» ÀÌ¿ëÇÑ IP ÇÒ´ç
- IPv6 ±â¼ú(protocols, dual stack, tunnelingµî)
- IPv6 Addressing
- P Addressing°ú Host Configurations ¿¡¼ÀÇ ¹®Á¦ ÇØ°á
½Ã½ºÄÚ ÀåºñÀÇ ±¸¼º°ú ¹®Á¦ÇذáÀÇ ±âÃÊ¿Í ¶ó¿ìÆÃ
- Routing°ú Routing ProtocolÀÇ ±¸ºÐ
- OSPF
- EIGRP
- Ping »ç¿ë¹ý, ¶ó¿ìÆÃ °æ·Î ÃßÀû, Telnet, SSH
- Routing ÈÄ ¹®Á¦Çذá
- Show, Debug ¸í·É¾î¸¦ »ç¿ë, ¶ó¿ìÅÍÀÇ Çϵå/¼ÒÇÁÆ®¿þ¾îÀÇ ±¸¼ºº¸±â
- ±âº» ¶ó¿ìÅÍ º¸¾È
4ÁÖÂ÷
Áß±Ô¸ð ³×Æ®¿öÅ©ÀÇ NAT¿Í ACL
- Access Control List ±â´É
- Access Control ListÀÇ ±¸¼º°ú Àû¿ë
- Telnet°ú SSH»óÀÇ Access Control ListÀÇ ±¸¼º°ú Àû¿ë
- ³×Æ®¿öÅ© ȯ°æ¿¡¼ ACL'sÀÇ ±¸¼º°ú ¸ð´ÏÅ͸µ
- ACLÀÇ ¹®Á¦Çذá
- NATÀÇ ±âÃÊ ¿î¿ë ¼³¸í
- CLI¸¦ »ç¿ëÇÑ ³×Æ®¿öÅ© ÁÖ¼ÒÀÇ º¯°æ
- NATÀÇ ¹®Á¦Çذá
WAN
- CIsco RouterÀÇ Frame Relay ±¸¼º°ú °ËÁõ
- WAN ±¸¼º°ú ¹®Á¦Çذá
- VPN񃬣(importance, benefits, role, impact, components)
- Cisco ¶ó¿ìÅÍ»çÀÌÀÇ PPP¿¬°á
Äü¸Þ´º