Discuss Alibaba ACA-BigData1 Exam Topic 3 Question 19

In MaxCompute, you can use Tunnel command line for data upload and download. Which of the

following description of Tunnel command is NOT correct:

Score 2

AUpload: Supports file or directory (level-one) uploading. Data can only be uploaded to a single table
or table partition each time.

BDownload: You can only download data to a single file. Only data in one table or partition can be
downloaded to one file each time. For partitioned tables, the source partition must be specified.

CResume: If an error occurs due to the network or the Tunnel service, you can resume transmission of
the file or directory after interruption.

DPurge: Clears the table directory. By default, use this command to clear information of the last three
days.

Suggested Answer: B

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10 comments · newest first

Ma 12 months ago

D is misleading, it doesn't just clear the last three days by default.

Pearlene 1 year ago

C sounds accurate, resuming is super helpful!

Quinn 1 year ago

Wait, I thought you could download multiple partitions in one go?

Ivette 1 year ago

I agree, B seems off. You can download to multiple files, right?

Jacquline 1 year ago

A is correct, you can only upload to one table at a time.

Elza 1 year ago

I think I know the answer to this one. The settlement profile lets you define document management parameters and determine an overhead key, right?

Lavonda 1 year ago

I've got this! The correct answer is B - for gift tax purposes, the grantor's retained interest in these trusts is not valued at zero. That's the exception to the other correct statements.

Yolande 1 year ago

Okay, let me think this through. I know the `ip route show` command is one way to display the routing table, and `ip r s` is a shorthand version of that. I'm pretty sure those are the two right answers.

Justine 1 year ago

Okay, let's see. I know BFD is used for fast failure detection, but I'm not sure about the specifics of which protocols it supports.

Ettie 1 year ago

Hmm, this seems like a pretty straightforward Linux question. I think the answer is /etc/inittab, since that's where the boot process is defined.

Alibaba ACA-BigData1 Exam - Topic 3 Question 19 Discussion