... from outside hosts, a conduit command is required. Answer: D Q.81 Which protocol is used by CiscoIOS Cryptosystem to securely exchange encryption keys for IPSEC? A. Diffie-Hellman B. Data ... tools is used to counter an unauthorized access attempt? (Choose three) A. Encryption A. Bb. CiscoIOS Lock and Key feature B. Terminal Access Controller Control System (TACACS) C. Challenge ... database. D. It re-initializes every peer’s secret key. Answer: C Q.16 After the installation of Cisco Secure VPN Client is complete, you need either __________ for authentication A. A user ID...
... port to use. CiscoIOS Access lists Page 16 So far, I have focused only on policy sets, so you might be wondering how Cisco access lists come into the picture. The function of Cisco access ... CiscoIOS Access lists Page 34 The Cisco configuration commands to do the equivalent are: interface Ethernet 0 ... and use access lists. CiscoIOS Access lists Page 5 Preface Building and maintaining a network involves more than just making sure that packets can flow between devices on the network....
... Finally, storage area networks (SAN) provide a network of storage devices. ■Backup devices: A network can also include backup devices, such as tape drives, that provide a central means to save ... wiring the physical devices, while a logical topology describes how information flows to devices within the networks.■In a physical bus topology, a single cable connects all the devices together.■In ... maintains multiple connections to all other devices, without having all other devices fully meshed. This method trades off the cost of meshing all devices by allowing the network designer to...
... of ManagingCisco Router Startup and Configuration 442 Managing CiscoDevices 442 Cisco IOS File System and Devices 443 Managing CiscoIOS Images 445 Managing Device Configuration Files 448 Cisco ... by a certified Cisco Systems instructor.NOTEThe operating system used in this book is CiscoIOS Software Release 12.4 for the routers, and Cisco Catalyst 2960 is based on CiscoIOS Software ... Understanding Cisco Router Security 308Using the Cisco SDM 309 Cisco SDM Overview 309Configuring Your Router to Support Cisco SDM 311Start Cisco SDM 312More Link 314Configuration Overview 314Cisco...
... (Choose four) A. NAS can access multiple Cisco secure ACS for NT servers. B. Cisco Secure ACS for NT servers can only log on to external servers. C. The Cisco secure ACS for NT server supports ... is supported by the Cisco secure ACS for NT servers. E. The service used for authentication and authorization on a Cisco secure ACS for NT server is called CSAdmin. F. The Cisco Secure ACS for ... - 1 - 640-442 Managing Cisco Network Security (MCNS) Version 1.0 640 - 442 Leading the way in IT testing...
... activities. Cisco IOS CLI Functions Cisco IOS Software uses a CLI as its traditional console environment to enter commands. This section reviews the functions of the CiscoIOS CLI.Although CiscoIOS ... xixChapter 1 Review of CiscoIOS for Routers and Switches 3Chapter Objectives 3 Cisco IOS CLI Functions 4Configuration Modes of CiscoIOS Software 4Help Facilities of the CiscoIOS CLI 6Commands ... in CiscoIOS Software. Table 1-2 outlines the CiscoIOS CLI commands used on both Cisco routers and switches to create a basic configuration in a small network environment.Table 1-2 Cisco IOS...
... emer-gency. This information will save valuable time in a crisis. Cisco makes many products designed for high availability. These devices are characterized by long mean time between failure (MTBF) ... hot-swappable cards or modules. Forexample, devices that provide 99.999 percent availability would have aboutfive minutes of downtime per year.Availability of individual devices can be enhanced by their ... protect mission-critical equip-ment against power outages.Although not covered in this book, CiscoIOS includes reliability fea-tures such as:■Hot Standby Router Protocol (HSRP)■Simple Server...
... gì? Chúng ta hãy trả lời một số câu hỏi thường gặp nhất và khám phá cấu hình cơ bản của các CiscoIOS switch. 1, VLAN nào là mặc định? VLAN mặc định trên tất cả các switch là VLAN 1. Tất ... Switch(config)# ip default-gateway 10.92.103.254 4, Cách tăng tốc các cổng switch? Switch Cisco có thể thực hiện nhiều công việc khác bên cạnh việc kết nối máy tính thông thường vào mạng. ... gigabitEthernet 1/0/3 Switch(config-if)# speed 100 Switch(config-if)# duplex half Kết luận Switch Cisco rất mạnh, và có rất nhiều điều mà bạn cần phải tìm hiểu. Tuy nhiên, hiểu được những đặc tính...