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CertTree Cisco CCNA 200-105 ICND2 practice test

2017-11-03 14:42:04 | 日記
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Share some CCNA Routing and Switching 200-105 exam questions and answers below.
At which layer of the OSI model is RSTP used to prevent loops?
A. physical
B. data link
C. network
D. transport
Answer: B

Which process is associated with spanning-tree convergence?
A. determining the path cost
B. electing designated ports
C. learning the sender bridge ID
D. assigning the port ID
Answer: B


Which port state is introduced by Rapid-PVST?
A. learning
B. listening
C. discarding
D. forwarding
Answer: C

What is a difference between TACACS+ and RADIUS in AAA?
A. Only TACACS+ allows for separate authentication.
B. Only RADIUS encrypts the entire access-request packet.
C. Only RADIUS uses TCP.
D. Only TACACS+ couples authentication and authorization.
Answer: A


If host Z needs to send data through router R1 to a storage server, which destination MAC address does host Z use to transmit packets?
A. the host Z MAC address
B. the MAC address of the interface on R1 that connects to the storage server
C. the MAC address of the interface on R1 that connects to host Z
D. the MAC address of the storage server interface
Answer: C

Which statement about switch access ports is true?
A. They drop packets with 802.1Q tags.
B. A VLAN must be assigned to an access port before it is created.
C. They can receive traffic from more than one VLAN with no voice support
D. By default, they carry traffic for VLAN 10.
Answer: A


What are two characteristics of a switch that is configured as a VTP client? (Choose two.)
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. On switches that are configured to operate in client mode, VLANs can be created, deleted, or renamed locally.
C. The local VLAN configuration is updated only when an update that has a higher configuration revision number is received.
D. VTP advertisements are not forwarded to neighboring switches that are configured in VTP transparent mode.
E. VTP client is the default VTP mode.
F. When switches in VTP client mode are rebooted, they send a VTP advertisement request to the VTP servers.
Answer: C,F

Which part of the PPPoE server configuration contains the information used to assign an IP address to a PPPoE client?
A. virtual-template interface
B. DHCP
C. dialer interface
D. AAA authentication
Answer: A

Which protocol provides a method of sharing VLAN configuration information between two Cisco switches?
A. STP
B. VTP
C. 802.1Q
D. RSTP
Answer: B

Which statement about named ACLs is true?
A. They support standard and extended ACLs.
B. They are used to filter usernames and passwords for Telnet and SSH.
C. They are used to filter Layer 7 traffic.
D. They support standard ACLs only.
E. They are used to rate limit traffic destined to targeted networks.
Answer: A


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CertTree Azure Machine 70-774 dumps

2017-11-03 14:29:37 | 日記
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Share some MCSA 70-774 exam questions and answers below.
You are building an Azure Machine Learning workflow by using Azure Machine Learning Studio.You create an Azure notebook that supports the Microsoft Cognitive Toolkit.You need to ensure that the stochastic gradient descent (SGO) configuration maximizes the samples per second and supports parallel modeling that is managed by a parameter server. Which SGD algorithm should you use?
A. DataParallelASGD
B. DataParallelSGD
C. ModelAveragingSGD
D. BlockMomentumSGD
Answer: B

From the Cortana intelligence Gallery, you deploy a solution.You need to modify the solution.What should you use?
A. Azure Stream Analytics
B. Microsoft Power BI Desktop
C. Azure Machine Learning Studio
D. R Tools for Visual Studio
Answer: C

You need to use only one percent of an Apache hive Data table by conducting random sampling by groups.Which module should you use?
A. Normalize Data
B. Tune Model Hyperparameters.
C. Edit Metadata
D. Clip Values
E. Clean Missing Data
F. Import Data
G. Select Columns in Dataset
H. Execute Python Script
Answer: H

You need to remove rows that have an empty value in a specific column. The solution must use a native module. Which module should you use?
A. Execute Python Script
B. Tune Model Hyperparameters
C. Normalize Data
D. Select Columns in Dataset
E. Import Data
F. Edit Metadata
G. Clip Values
H. Clean Missing Data
Answer: H

You have the following three training datasets for a restaurant:
* User Feature
* Item feature
* Ratings of items by users
You must recommend restaurants to a particular user based only on the users features.
You need to use a Matchbox Recommender to make recommendations.
How many input parameters should you specify?
A. 1
B. 2
C. 3
D. 4
Answer: D

You have a non-tabular file that is saved in Azure Blob Storage.You need to download the file locally, access the data in the file, and then format the data as a dataset.Which module should you use?
A. Execute Python Script
B. Tune Model Hyperparameters
C. Normalize Data
D. Select Columns in Dataset
E. Import Data
F. Edit Metadata
G. Clip Values
H. Clean Missing Data
Answer: E

You have a dataset that contains a column named Column1. Column1 is empty.You need to omit Column1 from the dataset. The solution must use a native module. Which module should you use?
A. Clip Values
B. Edit Metadata
C. Import Data
D. Normalize Data
E. Execute Python Script
F. Select columns in dataset
G. Tune Model Hyperparamters
H. Clean Missing data
Answer: F

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