100-490 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
Which type of transceiver module is used for 40 Gigabit Ethernet connectivity?

A.SFP+
B.GBIC
C.QSFP+
D.XFP

正解:
Explanation:
Reference: https://www.cisco.com/c/en/us/products/interfaces-modules/40-gigabit-modules/index.html#:~:text=The%20Cisco%20QSFP%20BiDi%20transceiver,10%20Gigabit%20Ethernet%20fiber% 20infrastructure

Question No : 2
Refer to the exhibit.

Which two statements about the hardware components are true? (Choose two.)

A.2 is an RJ-45 to USB Type A console cable.
B.3 is a USB Type A port.
C.3 is a USB 5-pin mini USB Type B port.
D.1 is a USB Type A port.
E.2 is a USB 5-pin mini USB Type B to USB Type A console cable.

正解:
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/routers/access/2900/hardware/installation/guide/Hardware_Installation_Guide/Install_Connect.html

Question No : 3
Which two features are associated with single-mode fiber-optic cable? (Choose two.)

A.consists of a single strand of glass fiber
B.has higher attenuation that multimode fiber
C.carries a higher bandwidth that multimode fiber
D.costs less than multimode fiber
E.operates over less distance than multimode fiber

正解:

Question No : 4
Which two pairs of LAN Ethernet devices use an RJ-45 straight-through cable? (Choose two.)

A.switch-to-switch
B.switch-to-router
C.switch-to-hub
D.router-to-router
E.switch-to-server

正解:

Question No : 5
Which type of physical connector does a Gigabit Ethernet port typically use?

A.RJ-9
B.RJ-45
C.DB-25
D.RJ-11

正解:

Question No : 6
What are two standard fiber-optic connectors? (Choose two.)

A.Lucent
B.rollover
C.subscriber
D.multidimension
E.crossover

正解:

Question No : 7
Which command shows the status of power supplies and sensor temperatures?

A.show hardware
B.show module
C.show environment
D.show diag

正解:
Explanation:
Reference: https://www.cisco.com/c/m/en_us/techdoc/dc/reference/cli/n5k/commands/showenvironment.html

Question No : 8
Which layer of the OSI model defines how data is formatted for transmission and how access to the physical media is controlled?

A.presentation
B.data link
C.network
D.transport

正解:
Explanation:
Reference: https://itcertzone.wordpress.com/2011/01/24/the-seven-layers-of-the-osi-model/#:~:text=Layer %202%3A%20The%20Data%20Link,reliable%20delivery%20of%20the%20data.

Question No : 9
Which device is a DTE device?

A.CSU/DSU
B.router
C.cable modem
D.DSL modem

正解:

Question No : 10
What are two components of a WAN connection? (Choose two.)

A.CSU/DSU
B.router
C.bridge
D.hub
E.switch

正解:

Question No : 11
Which two IPv4 addresses can be assigned to a host computer? (Choose two.)

A.255.255.255.255
B.10.1.1.20
C.0.0.0.0
D.192.168.10.15
E.292.10.3.4

正解:

Question No : 12
Which address facilitates the routing of packets over an IP network?

A.physical
B.transport
C.network
D.MAC

正解:

Question No : 13
Which two statements about Telnet and SSH are true? (Choose two.)

A.SSH is a protocol that provides a secure remote access connection to network devices.
B.SSH uses the well-known TCP port 23 for its communication.
C.A Telnet network management connection is dropped when a router reboots.
D.Telnet is a protocol that provides a secure remote access connection to network devices.
E.Telnet is preferred over SSH for security reasons.

正解:

Question No : 14
What is the correct IPv6 address notation?

A.2001:0DB8::/128
B.2001:0DB8:0::
C.2001:0DB8::1:1:1:1:1
D.2001:0DB8:130F:0000:0000:7000:0000:140B

正解:

Question No : 15
Which protocol does TFTP typically use for transport?

A.RSVP
B.TCP
C.HTTP
D.UDP

正解:

Cisco 100-490 問題練習