-
Which line from the output of the show ip interface command indicates a layer 1 problem?（）
A . Serial0/1 is up, line protocol is down
B . Serial0/1 is down, line protocol is down
C . Serial0/1 is up, line protocol is up
D . Serial0/1 is administratively down, line protocol is dow
-
Which of the following could be used to provide a Layer 3 data path between separate VLANs？（）
A . VLAN trunking
B . An external router
C . An internal route processor
D . VLAN capable bridge
E . EtherChannel
-
Which of these is true of a Layer 3 out-of-band NAS deployment？（）
A . The NAS acts as a gateway for all Layer 3 traffic.
B . Only the MAC address is used to identify the client device.
C . User traffic remains on the same VLAN for the duration of the connection.
D . After authentication and posture assessment， client traffic no longer passes through the NAS.
-
Either a low injection pressure or a leakage of piston rings is able to lead （）.
A . a high exhaust temperature
B . a high smoky exhaust
C . a high output
D . a high compressio
-
A vacuum is initially established in the first and second stages of a low pressure evaporator by the use of （）
A . vacuum drag from the auxiliary condensate system
B . individual vacuum pumps
C . a single non-condensing air ejector
D . a two stage air ejector
-
Structural traps are traps（）are formed because of a deformation in the rock layer （）contains the hydrocarbons.
A . that, that
B . what,what
C . what,that
D . that,what
-
At Layer 2 of the OSI model, which component connects a host to the network media?（）
A . Hub
B . Switch
C . Bridge
D . NIC
E . Transceiver
-
Which of these is true of a Layer 3 out-of-band NAS deployment?（）
A . The NAS acts as a gateway for all Layer 3 traffic.
B . Only the MAC address is used to identify the client device.
C . User traffic remains on the same VLAN for the duration of the connection.
D . After authentication and posture assessment, client traffic no longer passes through the NAS.
-
A low HDOP (Horizontal Dilution of Precision) number such as 2 indicates a （）.
A . poor fix
B . good fix
C . poor signal quality
D . good signal quality
-
Which set of commands is recommended to prevent the use of a hub in the access layer?（）
A . switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security maximum 1
B . switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security mac-address 1
C . switch(config-if)#switchport mode access switch(config-if)#switchport port-security maximum 1
D . switch(config-if)#switchport mode access switch(config-if)#switchport port-security mac-address 1
-
In an alternating current electrical system, a low system power factor is a direct sign of （）
A . wasted energy
B . efficient operation
C . a short in the exciter field windings
D . an excessive number of minor system ground
-
The（）provides a rapid means of tallying when items of the same commodity are being loaded or unloaded in uniform drafts consisting of an equal number of pieces.
A . unit method
B . block method
C . straight method
D . package method
-
Which of the following troubleshooting targets is considered to be a Layer 2 issue？（Choose allthat apply.）（）
A . Spanning Tree Protocol
B . Cabling
C . Frame forwarding
D . Packet forwarding
E . EtherChannel
F . Routing protocol
-
（）is a high layer of cloud in the front of small flakes or cauhflower,white in colour with no dark shadows in between.
A . Cirrostratus
B . Cirrus
C . Cirrocumulus
D . Altostratu
-
In the "host to host" layer of the DOD model, which of the following is a valid connection oriented protocol?（）
A . ARP
B . RARP
C . TCP
D . UDP
E . IP
F . ICMP
G . BootP
-
What benefit results from implementation of Layer 3 switching versus Layer 2 switching in a fully meshed campus network？（）
A . ease of IP address assignment versus use of external routers
B . redundancy from trunking between distribution layer switches
C . provides first-hop redundancy to clients
D . allows inter-VLAN communication without requiring complexity of routing protocol
-
The passing of a low pressure system can be determined by periodically checking the（）.
A . Thermometer
B . Hygrometer
C . Barometer
D . Anemometer
-
In the Uniform Cardinal System of Buoyage，a buoy in the eastern quadrant from a danger could（）.
A . be black and white horizontally striped
B . be black and white vertically striped
C . have a red top mark
D . be any of the above
-
This new payment system will save a lot of resources and is a kind of low carbon living style which will benefit our environment.
-
Chinese culture is a typical example of high-context culture while American culture is a representative of low-context culture.
-
A tornado forms when a layer of warm, dry air is on top of a layer of cool, moist air.
-
The chief function of a uniform. is to______.
A．provide practical benefits to the wearer
B．make the wearer catch the public eye
C．inspire the wearer's confidence in himself
D．provide the wearer with a professional identity
-
His uniform. made him look a bit （).A.out of mind
B.out of place
-
While troubleshooting connectivity issues, you log into a remote router. From there,you wish to see the layer 1 and layer 2 status of the interface.Which of the following IOS commands would you issue to check the current IP addressing, as well as theyer 1 and layer 2 status of an interface？（）
A. TK1 show version
B. TK1 show protocols
C. TK1 show interfaces
D. TK1 show controllers
E. TK1 show ip interface
F. TK1 show startup-config
