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Commits1. Вопрос 1 What does the command git revert c87e6ae4 do? 1 / 1 балл  Places the repository where it was after commit c87e6ae4 but does not revert later changes Has no effect  Removes the changes associated with the commit that starts with c87e6ae4 Removes all changes and history after commit c87e6ae4 Правильно It both removes the changes and takes you back 2. Вопрос 2 To see which files have changed and what the exact changes are, do: 1 / 1 балл git log --numstat git log -p git log --pretty=oneline git log Правильно This gives details, including file names and changes 3. Вопрос 3 Some time over the past 1000 commits, a change was introduced that caused a program to fail. Assuming you have a good test to establish a bad version, what is the largest number of bisects that should be needed to locate the commit containing the defective patch? 1 / 1 балл 16 8 32 10 4 2 Правильно Each bisect cuts the number in half 4. Вопрос 4 In the command git gc, what does gc stand for? 1 / 1 балл garbage collection generic concentration GNU cleanup garbage corruption Правильно This is a common abbreviation 5. Вопрос 5 The command git blame some_file: 1 / 1 балл Tells you where every line in some_file came from by date and author Evaluates whether the error is due to a problem with some_file. Finds some obvious errors in some_file Правильно This is extremely useful in tracking down problems and establishing ownership if there are legal problems Branches1. Вопрос 1 In Git, branching is the inverse process to: 1 / 1 балл merging forking committing pushing Правильно Merging is the inverse process where branches are coalesced 2. Вопрос 2 A detailed branching history can be shown by: 1 / 1 балл git branch --show git show-branch git show branch git branch show Правильно This does the job 3. Вопрос 3 To examine an earlier version of a file in commit 3888bc981a, do: 1 / 1 балл git show 3888bc981a:kernel/sys.c git log 3888bc981a kernel/sys.c git display 3888bc981a:kernel/sys.c git show 3888bc981a kernel/sys.c Правильно This is correct 4. Вопрос 4 You can list all current branches on the local machine with: 1 / 1 балл  git branch Правильно This does the job and is identical to specifying --list git branch -v Правильно The -v here is for verbose and gives more information than without it git branch --list Правильно This does the job 5. Вопрос 5 The command git checkout some_branch 1 / 1 балл switches to some_branch Incorporates changes in some_branch into the current branch Gives some information about some_branch Правильно It "checks out" the new branch |