Có 20+ tài liệu thuộc chủ đề "tài liệu CCNA"
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Đ a ch IP ị ỉ. Giao th c truy n thông ? ứ ề. Nhi m v c a giao th c. TÓM T T NHI M V CHÍNH C A T NG Ắ Ệ Ụ Ủ Ừ T NG Ầ. T ng ng d ng (Application Layer) ầ ứ ụ. ng d ng. Các ng d ng mà...
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10089.book Page i Monday, July PM. 10089.book Page ii Monday, July PM. 10089.book Page iii Monday, July PM. 10089.book Page iv Monday, July PM. 10089.book Page v Monday, July PM. Toni Zuccarini Ackley was the main editor of this—the newest book in the Sybex Cisco series. 10089.book Page vii Monday, July PM. 10089.book Page ix Monday, July PM. 10089.book Page...
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Ti ế n trình đị nh tuy ế n EIGRP s ẽ ki ể m tra xem nh ữ ng c ổ ng k ế t n ố i nào có đị a ch ỉ IP n ằ m trong vùng m ạ ng đượ c ch ỉ đị nh b ở i câu l ệ nh network và b...
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CÂU 3: Nếu lấy 1 địa chỉ lớp B để chia subnet với netmask là thì có bao nhiêu subnets có thể sử dụng được (useable subnets)?. CÂU 11: Có bao nhiêu vùng va chạm (collision domains) trong mạng gồm 88 máy tính , 10 HUB và 2 REPEATER?. CÂU 13:Công nghệ LAN nào sử dụng CSMA/CD?. CÂU 16: Phần ...
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Data networks developed as a result of business applications that were written for microcomputers. At that time microcomputers were not connected as mainframe computer terminals were, so there was no efficient way of sharing data among multiple microcomputers. It became apparent that sharing data through the use of floppy disks was not an efficient or cost-effective manner in which to...
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xxx.xxx.xxx. xxx.xxx.xxx.0 xxx.xxx.xxx. xxx.xxx.xxx.64 xxx.xxx.xxx. xxx.xxx.xxx.128 xxx.xxx.xxx. xxx.xxx.xxx.192. Ghi chú: xxx.xxx.xxx là đ a ch m ng tiêu chu n c a l p C. xxx.xxx.xxx.64 Đ a ch m ng ị ỉ ạ xxx.xxx.xxx. xxx.xxx.xxx.65. xxx.xxx.xxx.66. xxx.xxx.xxx.126. xxx.xxx.xxx.127 Không phân. ỗ ạ ạ ị ỉ ủ M ng 1: T xxx.xxx.xxx. 065 đ n xxx.xxx.xxx.126 ạ ừ ế c/...
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The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. What must be done to ensure that this new switch becomes the root bridge on the network?. Change the MAC of the Switch.. Refer to the exhibit. Which two statements are true about the loopback...
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Describe how a hierarchical network supports the voice, and data needs of a small- or medium-sized business.. Describe the functions of each of the three levels of the hierarchical network design model, the principles of. hierarchical network design (aggregate connectivity,. Select appropriate devices to operate at each level of the hierarchy, including voice and video components.. Match the appropriate Cisco...
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MAC Addressing and Switch MAC Address Tables. Store-and-forward – The entire frame is received before any forwarding takes place. Cut-through – The frame is forwarded through the switch before the entire frame is received. common memory buffer which all the ports on the switch share. GUI-based Alternatives to the CLI. Using the Help Facility. The Switch Boot Sequence. The switch...
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Configure VLANs on the switches in a network topology. Default VLAN:. A native VLAN is assigned to an 802.1Q trunk port. An 802.1Q trunk port supports traffic coming from many VLANs (tagged traffic) as well as traffic that does not come from a VLAN (untagged traffic). The 802.1Q trunk port places untagged traffic on the native VLAN.. Native VLANs are...
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The switch can be configured in the role of a VTP. VTP Domain: Consists of one or more interconnected. VTP Pruning:. pruning, a switch floods broadcast, multicast, and unknown unicast traffic across all trunk links within a VTP domain. VTP Domain Name = null. VTP Version: Displays the VTP version the switch is capable of running. Configuration Revision: Current configuration...
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Spanning Tree Protocol. Implement rapid per VLAN spanning tree (rapid. The hierarchical design model addresses issues found in the flat model network topologies. One of the issues is. Having multiple paths for data to traverse the network allows for a single path to be disrupted without impacting the. connectivity of devices on the network.. legitimate traffic, and the network becomes...
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Describe the components and operations of basic wireless LAN topologies.. Describe the components and operations of basic wireless LAN security.. Configure and verify basic wireless LAN access.. The Wireless LAN. Wireless LAN. network through a wireless device such as a wireless router or access point.. Client and Access Point Association. Planning the Wireless LAN. Wireless LAN Security. Wireless LAN Security...
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Services at which two layers of the OSI model should be investigated during the troubleshooting process? (Choose two.) physical layer. Which two statements are true aboutthe troubleshooting efforts? (Choose two.) The web server should be tested for an application layer problem.. Frame Relay at R3 and R2 should be tested to narrow the scope of the problem.. Therefore, the problem...
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Refer to the exhibit. A network technician wants to connect host A to the console of a Cisco switch to initialize the configuration.. straight-through cable crossover cable rollover cable serial cable. Computer A will connect to the server and retrieve inbound messages by using POP.. The e-mail client on computer A uses SMTP to pull inbound messages from the server...
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Refer to the exhibit. What command will place the router into the correct mode to configure an appropriate interface to connect to a LAN?. In a Cisco router, when do changes made to the running-configuration take effect?. when the configuration is saved to the startup-configuration. A technician applies the configuration in the exhibit to a clean router. To verify the...
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Chapter 3 - Introduction to Dynamic Routing Protocol. Học viện mạng Bach Khoa - Website: www.bkacad.com 2. Describe the role of dynamic routing protocols and place these protocols in the context of modern network design.. Identify several ways to classify routing protocols.. Describe how metrics are used by routing protocols and identify the metric types used by dynamic routing protocols.....
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Chapter 4 - Distance Vector Routing Protocols Routing Protocols and Concepts. Identify the characteristics of distance vector routing protocols.. Describe the network discovery process of distance vector routing protocols using Routing Information Protocol (RIP).. Describe the processes to maintain accurate routing tables used by distance vector routing protocols.. Recognize that distance vector routing protocols are. Distance Vector Routing Protocols. Examples...
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Học viện mạng Bách Khoa - Website: www.bkacad.com 2. Học viện mạng Bách Khoa - Website: www.bkacad.com 4. Học viện mạng Bách Khoa - Website: www.bkacad.com 6. Học viện mạng Bách Khoa - Website: www.bkacad.com 8. Học viện mạng Bách Khoa - Website: www.bkacad.com 10. Học viện mạng Bách Khoa - Website: www.bkacad.com 12. Học viện mạng Bách Khoa -...
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Học viện mạng Bách Khoa - Website: www.bkacad.com 2. Học viện mạng Bách Khoa - Website: www.bkacad.com 3. Học viện mạng Bách Khoa - Website: www.bkacad.com 4. Học viện mạng Bách Khoa - Website: www.bkacad.com 5. Học viện mạng Bách Khoa - Website: www.bkacad.com 6. Học viện mạng Bách Khoa - Website: www.bkacad.com 7. Học viện mạng Bách Khoa -...