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Network engineer

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15 questions · about 8 minutes · no timer

The test samples the available lessons in each path stage. Choose “Not sure yet” when you do not know an answer. You can go back and change choices before checking your result.

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Stage 1 · NetworkingWhat turns three separate devices into a network?

Connecting them to one power stripInstalling the same app on each deviceLinking the devices to exchange dataAdding a screen to each deviceNot sure yet

Stage 1 · NetworkingWhat does the root server send back when asked for www.example.com?

A .com name-server referral and glue addressesAn error saying that www.example.com does not existThe final IP address of www.example.comA complete copy of every DNS zone and recordNot sure yet

Stage 1 · NetworkingReal traffic arrives in bursts. Compared with the M/M/1 answer at the same utilisation, the waiting time is usually...

ShorterLongerZeroThe sameNot sure yet

Stage 2 · Linux and the command lineWhat is Linux, strictly speaking?

The kernel of an operating systemA fixed bundle of kernel and toolsA complete desktop with shell and appsA shell for terminal commandsNot sure yet

Stage 2 · Linux and the command lineAfter running grep fail scores.txt | sed 's/fail/retry/' | awk '{ print $1, $3 }', what is in scores.txt?

Nothing: the file is emptiedThe same four lines as beforeOnly ben retry and dee retryThe lines with fail changed to retryNot sure yet

Stage 2 · Linux and the command lineWhich of these is NOT one of Linux's eight namespace kinds?

pid (process IDs)uts (hostname)cpu (processor time)net (network devices)Not sure yet

Stage 3 · PythonA program runs name = input("Name? ") and you type 42. What is stored in name?

The text '42' (a string)The number 42Nothing until you print itName? 42Not sure yet

Stage 3 · PythonWhich is the better fit for a tuple rather than a list?

A to-do list you keep adding toThe scores of a game in progressA date as (year, month, day)A shopping cartNot sure yet

Stage 3 · PythonAfter from shapes import square, which new name can main.py use?

square onlyarea onlyBoth shapes and squareshapes onlyNot sure yet

Stage 4 · CybersecurityCustomer records are changed by someone who should not be able to change them. Which part of the CIA triad is harmed?

ConfidentialityIntegrityAvailabilityNone: nothing was stolenNot sure yet

Stage 4 · CybersecurityAn attacker has stolen a staff member's password through a fake sign-in page. Which control stops them signing in?

An email filterMulti-factor authentication (MFA)A firewall rule that blocks printer trafficAn offline backupNot sure yet

Stage 4 · CybersecurityRestoring files from a tested, offline backup after ransomware belongs to which NIST CSF 2.0 function?

IdentifyDetectRecoverGovernNot sure yet

Stage 5 · Cloud and DevOpsWhat does DevOps join together?

Hardware and softwareWebsites and phone appsWriting code and writing documentationBuilding software (development) and running it (operations)Not sure yet

Stage 5 · Cloud and DevOpsA developer commits a change. What does continuous integration (CI) do next?

Emails the change to the operations teamDeletes the old version of the codeAutomatically builds the code and runs the testsWaits for a monthly release meetingNot sure yet

Stage 5 · Cloud and DevOpsWhich pair of DORA metrics measures stability?

Deployment frequency and lead time for changesChange failure rate and time to restoreDeployment frequency and change failure rateLead time for changes and time to restoreNot sure yet

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