When a new trunk is configured on a 2950 switch, which VLANs by default are allowed over the trunk link（）。
第1题：
When received the order "Finished With Engine", which of the following operations is wrong?
A.stop the L.O pump, S.W pump, jacket water cooling pump immediately
B.stop the F.O booster pump
C.engage the turning gear, turn the main engine
D.open the main engine scavenge air trunk's drain cocks
第2题：
You are bringing up a new Ezonexam switch, and wish to connect it via a trunk to another switch from a different vendor, which uses the IEEE standard for the trunking method. When setting the encapsulation type on the trunk, what should you configure on the Cisco switch?
A．Switch(config)# switchport trunk encapsulation isl
B．Switch(config)# switchport trunk encapsulation ietf
C．Switch(config-if)# switchport trunk encapsulation isl
D．Switch(config-if)# switchport trunk encapsulation ietf
E．Switch(config-if)# switchport trunk encapsulation dot1q
第3题：
A new Ezonexam switch is installed into an existing LAN and a new VTP trunk is set up with an existing switch. Which VLANs will be allowed on this new trunk?
A．All defined VLANs are allowed on the trunk by default.
B．Each VLAN, or VLAN range, that is specified with the switchport mode command.
C．Each VLAN, or VLAN range, that is specified with the vtp domain command.
D．Each VLAN, or VLAN range, that is specified with the vlan database command.
E．None of the above
第4题：
A.no VLANs
B.all VLANs
C.only VLANs 1 - 64
D.only the VLANs that are specified when creating the trunk
第5题：
A. when a packet is received from an 802.1Q trunk,the vlan id can be determined from the source MAC address table.
B. unkown unicast frames are retransmitted only to the ports that belong to the same vlan
C. ports between switches should be configured in access mode so that vlans can span across the ports
D. broadcast and multicast frames are retransmitted to ports that are configured on different vlan.
第6题：
A. When configured for pass-through firewall user authentication, the user must first open a connection to the Junos security remote network resource.
B. When configured for Web firewall user authentication only, the user must first open a connection to the Junos security remote network resource.
C. If a Junos security device is configured for pass-through firewall user authentication, new sessions are automatically intercepted .
D. If a Junos security device is configured for Web firewall user authentication, new sessions are automatically intercepted.
第7题：
A. All defined VLANs are allowed on the trunk by default.
B. Each VLAN, or VLAN range, that is specified with the switchport mode command.
C. Each VLAN, or VLAN range, that is specified with the vtp domain command.
D. Each VLAN, or VLAN range, that is specified with the vlan database command.
第8题：
A new trunk has been configured on a switch in the Ezonexam LAN. By default, which VLANs are allowed over this trunk link?
A. No VLANs
B. Only the VLANs that are specified when creating the trunk
C. Only VLANs 1-64
D. All VLANs
E. All VLAN's except VLAN 1
F. None of the above
第9题：
A.When properly configured,VTP minimizes VLAN misconfigurations and configuration inconsistencies
B.Each broadcast domain on a switch can have its own unique VTP domain
C.VTP works at Layer 3 of the OSI model and requires that a management VLAN IP address be configured.
D.When properly configured,VTP maintains VLAN configuration consistency and accelerates trunk link negotiation.
E.VTP pruning is used to increase available bandwidth in trunk links
F.Client,server,and transparent are valid VTP modes
G. To configure a switch to be part of two VTP domains,each domain must have its own passwords
第10题：
Which three statements about VTP features are true?（）