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单选题
Which of the following does an astronomical time clock do？（）
A
Determines the ambient light at night with a photocell.
B
Calculates sunset and sunrise times based on geographical area.
C
Determines the start and end of each of the seasons.
D
Synchronizes the local time displayed with the official world time.
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更多 “单选题Which of the following does an astronomical time clock do？（）A Determines the ambient light at night with a photocell.B Calculates sunset and sunrise times based on geographical area.C Determines the start and end of each of the seasons.D Synchronizes the local time displayed with the official world time.” 相关考题
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Object-oriented analysis (OOA) is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is(71) . It determines how the various results are computed by the product and presents this information in the form. of a(72) and associated scenarios. The second is(73) , which determines the classes and their attributes, then determines the interrelationships and interaction among the classes. The last step is(74) , which determines the actions performed by or to each class or subclass and presents this information in the form. of (75) .A．static modelingB．dynamic modelingC．use-case modelingD．behavioral modeling
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By default, which of the following factors determines the spanning-tree path cost?A．It is the individual link cost based on latencyB．It is the sum of the costs based on bandwidthC．It is the total hop countD．It is dynamically determined based on loadE．None of the above
考题
What protection method is used in 4F BLSR networks?()
A. Each fiber has half of its SONET capacity reserved for protection.B. Two fibers in the span carry working traffic, while the other two fibers in the span are reserved for protection.C. The signal is sent simultaneously in both directions around the ring. The receiver determines which fiber to listen to based on signal quality.D. The signal is sent simultaneously in both directions around the ring. The transmitter determines which fiber has the working bit set for the receiver to acknowledge.
考题
Which of the following statements regarding routed and routing protocols are true?()
A. A routed protocol is assigned to an interface and determines the method of packet deliver.B. A routing protocol determines the path of a packet through a network.C. A routed protocol determines the path of a packet through a network.D. A routing protocol operates at the transport layer of the OSI model.E. A routed protocol updates the routing table of a router.
考题
Part of the job as a network administrator is being able to make a distinction between routed protocols and routing protocols. Which of the following statements is true regarding them?()
A. A routing protocol is assigned to an interface and determines the method of packet delivery.B. A routed protocol is assigned to an interface and determines the method of packet delivery.C. A routing protocol determines the path of a packet through a network.D. A routed protocol determines the path of a packet through a network.E. A routing protocol operates at the transport layer of the OSI model.F. A routed protocol updates the routing table of a router.
考题
The main factor which determines the output of each cylinder is _____.A.the cylinder weightB.the cylinder boreC.the cylinder lengthD.the cylinder cover
考题
According to the Rules, when should lights be displayed?______.A.During the hours of darknessB.At all times when underwayC.From sunset to sunrise and restricted visibilityD.Sunrise to sunset
考题
Which of the following determines if the alarm should sound or an entry delay should start？（）A、The sensor itselfB、The way the zones are wiredC、The zone typeD、The digital dialer
考题
By default, which of the following factors determines the spanning-tree path cost?（）A、It is the individual link cost based on latencyB、It is the sum of the costs based on bandwidthC、It is the total hop countD、It is dynamically determined based on load
考题
What protection method is used in 4F MS-SPRing networks？（）A、 Each fiber has half of its capacity reserved for protection.B、 Two fibers carry their full capacities while the other two fibers are reserved for protection.C、 The signal is sent simultaneously in both directions around the ring. The receiver determines which fiber to listen to based on signal quality.D、 The signal is sent simultaneously in both directions around the ring. The transmitter determines which fiber has the working bit set for the receiver to acknowledge.
考题
Which of the following does an astronomical time clock do？（）A、Determines the ambient light at night with a photocell.B、Calculates sunset and sunrise times based on geographical area.C、Determines the start and end of each of the seasons.D、Synchronizes the local time displayed with the official world time.
考题
Which of the following server roles synchronizes time throughout the network？（）A、DNSB、NTPC、DHCPD、SMTP
考题
Which of the following routing protocols runs over UDP and determines path based upon distancevectors?（）A、RIPB、DSIC、BGPD、IS-IS
考题
A user reports sporadic connectivity with their wireless connection. A technician determines the wireless speed reported by the laptop to be 1Mbps. Which of the following is the MOST likely cause of this issue?（）A、The client does not support 802.11nB、Incorrect frequency on the client is being usedC、Incorrect encryption on the APD、The client distance from the AP
考题
单选题A user reports sporadic connectivity with their wireless connection. A technician determines the wireless speed reported by the laptop to be 1Mbps. Which of the following is the MOST likely cause of this issue?（）A
The client does not support 802.11nB
Incorrect frequency on the client is being usedC
Incorrect encryption on the APD
The client distance from the AP
考题
单选题According to the Rules，when should lights be displayed?（）.A
During the hours of darknessB
At all times when underwayC
From sunset to sunrise and restricted visibilityD
Sunrise to sunset
考题
单选题Which of the following does an astronomical time clock do？（）A
Determines the ambient light at night with a photocell.B
Calculates sunset and sunrise times based on geographical area.C
Determines the start and end of each of the seasons.D
Synchronizes the local time displayed with the official world time.
考题
单选题A vessel being pushed ahead is required to carry which of the following lights?（）.A
Sidelights and a stern lightB
Sidelights onlyC
Sidelights and a small white light at each endD
A small white light at each end
考题
单选题Which of the following routing protocols runs over UDP and determines path based upon distancevectors?（）A
RIPB
DSIC
BGPD
IS-IS
考题
多选题Which of the following statements regarding routed and routing protocols are true?（）AA routed protocol is assigned to an interface and determines the method of packet deliver.BA routing protocol determines the path of a packet through a network.CA routed protocol determines the path of a packet through a network.DA routing protocol operates at the transport layer of the OSI model.EA routed protocol updates the routing table of a router.
考题
单选题Which of the following determines if the alarm should sound or an entry delay should start？（）A
The sensor itselfB
The way the zones are wiredC
The zone typeD
The digital dialer
考题
单选题Users are unable to stay connected to the company's wireless network. Several times throughout the day the users' signals are dropped and they are forced to reconnect to the network. A technician determines the network cabling that supplies the WAP has been run inside with several power lines. Which of the following is the MOST likely cause of the network issue?（）A
AshortB
Open pairsC
ESDD
EMI
考题
单选题By default, which of the following factors determines the spanning-tree path cost?（）A
It is the individual link cost based on latencyB
It is the sum of the costs based on bandwidthC
It is the total hop countD
It is dynamically determined based on load
考题
单选题What protection method is used in 4F MS-SPRing networks？（）A
Each fiber has half of its capacity reserved for protection.B
Two fibers carry their full capacities while the other two fibers are reserved for protection.C
The signal is sent simultaneously in both directions around the ring. The receiver determines which fiber to listen to based on signal quality.D
The signal is sent simultaneously in both directions around the ring. The transmitter determines which fiber has the working bit set for the receiver to acknowledge.
考题
单选题All of the following are practices of good seamanship EXCEPT（）.A
When meeting，altering course to the left to increase sea roomB
Maintaining an alert radar watch in reduced visibilityC
Showing a flare-up light to attract attention when you are not under commandD
Maintaining a proper lookout from sunrise to sunset
考题
单选题The main factor which determines the output of each cylinder is （）A
the cylinder weightB
the cylinder boreC
the cylinder lengthD
the cylinder cover
考题
单选题Which of the following server roles synchronizes time throughout the network？（）A
DNSB
NTPC
DHCPD
SMTP
考题
单选题VLAN maps have been configured on switch R1. Which of the following actions are taken in a VLAN map that does not contain a match clause？ （）A
Implicit deny feature at end of list.B
Implicit deny feature at start of list.C
Implicit forward feature at end of listD
Implicit forward feature at start of list.
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