更多"What are two advantages of Layer 2 "的相关试题:
[多项选择]What are two advantages of Layer 2 Ethernet switches over hubs?()
A. decreasing the number of collision domains
B. filtering frames based on MAC addresses
C. allowing simultaneous frame transmissions
D. increasing the size of broadcast domains
E. increasing the maximum length of UTP cabling between devices
[多项选择]What are two characteristics of a switch that is configured as a VTP client?()
A. if a switch that is configured to operate in client mode cannot access a VTP server,then the switch reverts to transparent mode.
B. The local vlan configuration is updated only when an update that has a higher configuration revision number is received.
C. Vtp advertisements are not forwarded to neighboring switches that are configured in vtp transparent mode.
D. When switches in vtp client mode are rebooted,they send a vtp advertisement request to the vtp servers.
E. Vtp client is the default vtp mode
F. On switches that are configured to operate in client mode ,vlans can be created,deleted,or renamed locally
[多项选择]What are two results of entering the Switch(config)# vtp mode client command on a Catalyst switch?()
A. The switch will ignore VTP summary advertisements.
B. The switch will forward VTP summary advertisements.
C. The switch will process VTP summary advertisements.
D. The switch will originate VTP summary advertisements.
E. The switch will create, modify and delete VLANs for the entire VTP domain.
[单项选择]What does a Layer 2 switch use to decide where to forward a received frame?()
A. source MAC address
B. source IP address
C. source switch port
D. destination IP address
E. destination port address
F. destination MAC address
[单项选择]What dose a Layer 2 switch use to decide where to forward a received frame?()
A. source MAC address
B. source IP address
C. source switch port
D. destination IP address
E. destination port address
F. destination MAC address
[单项选择]What does a Layer 2 switch do if it receives a frame with a destination MAC address that is not found in its MAC address table?()
A. The frame is dropped.
B. The frame is addressed with a broadcast MAC address and sent out all ports.
C. The frame is sent out all ports except the receiving port.
D. An ARP request is sent out all ports except the receiving port.
E. A destination unreachable message is sent back to the source address.
F. None of the above.
[单项选择]Given the output of the Floor3 switch, what statement describes the operation of this switch()。
A. VTP is disabled on this switch.
B. The switch can create, change, and delete VLANs.
C. The switch learns VLAN information but does not save it to NVRAM.
D. The switch can create VLANs locally but will not forward this information to other switches.
E. The switch learns VLAN information and updates the local VLAN data base in NVRAM.
[单项选择]VLAN 3 is not yet configured on your switch. What happens if you set the switchport access vlan3 commmand interface configuration mode?()
A. The command is accepted and the respective VLAN is added to vlan dat.
B. The command is rejected.
C. The command is accepted and you must configure the VLAN manually.
D. The port turns amber.
[单项选择]VLAN 3 is not yet configured on your switch.What happens if you set the switchport access vlan 3 commmand interface configuration mode?()
A. The command is accepted and the respective VLAN is added to vlan dat.
B. The command is rejected.
C. The command is accepted and you must configure the VLAN manually.
D. The port turns amber.
[多项选择]What two technologies do SMB customers most often want to implement in the future?()
A. Mobility
B. Optical
C. Telepresence
D. Voice
E. Data Center
[多项选择]What two are the prerequisites for enabling Flashback Database?()
A. The database must be in ARCHIVELOG mode
B. The database must be in MOUNT EXCLUSIVE mode
C. The database must be opened in RESTRICTED mode
D. The database instance must be started in the NOMOUNT state
E. The database instance must have the keep buffer pool defined
[多项选择]What two statements are true regarding the recommendations received from the SQL Access Advisor?()(Choose two.)
A. It cannot generate recommendations that support multiple workload queries.
B. It can recommend partitioning on tables provided that the workloads have some predicates and joins on the columns of the NUMBER or DATE type.
C. It can recommend partitioning only on tables that have at least 10,000 rows.
D. It can recommend only B-tree indexes and not bitmap or function-based indexes
[单项选择]What two problems can be solved by burning garbage
A. The shortage of energy and air pollution.
B. The shortage of energy and the shortage of empty land for holding garbage.
C. Air pollution and the shortage of empty land for holding garbage.
D. Air pollution and the shortage of fossil fuel.