Which of the following protocols is used to disable switch p

第1题：

You are about to migrate a customer network to use a VSS. Which of these statements is true about a VSS？ （）

• A、 The VSS switch must be the root bridge for all VLANs and is automatically designated
• B、 The VSS switch is defined in RFC 4318 as a managed object
• C、 The PAgP+ or LACP protocols are used to maintain the operational state of the VSS devices
• D、 A VSS interoperates with a virtual port channel
• E、 The 802.1Q or ISL protocols are used to maintain the operational state of the VSS devices
• F、 A VSS increases the size of the spanning-tree domain

第2题：

Which of the following protocols is used to disable switch ports automatically to prevent switchingloops?（）

• A、RIP
• B、0S：F
• C、STP
• D、EGP

第3题：

第4题：

Which of the following protocols is used by thin clients?（）

• A、IPX
• B、NetBIOS
• C、RDP
• D、UDP

第5题：

A laptop typically has a physical switch to disable which of the following features?（）

• A、Bluetooth
• B、Hard Drive Impact Protection
• C、Data Encryption
• D、Wireless

第6题：

When a switch port is used as a VLAN trunk, which of the following trunk modes are valid?（）

• A、Blocking
• B、Auto
• C、Desirable
• D、On
• E、Transparent
• F、Learning

第7题：

Which of the following protocols would MOST likely be used in the establishment of an IPSec VPN tunnel？（）

• A、 AES 
• B、 TKIP
• C、 802.1q
• D、 ISAKMP

第8题：

第9题：

Which of the following devices is used to move frames between a source and destination basedon a MAC address?（）

• A、Repeater
• B、Hub
• C、Router
• D、Switch

第10题：

Which of the following protocols is commonly used for VoIP technology?（）

• A、Telnet
• B、SMTP
• C、SIP
• D、SNMP