Quick Answer
The correct answer is that strings can be repeated with the * operator, and they also support concatenation using the + operator. This is because Python strings are immutable objects, meaning that operations like concatenation and repetition do not modify the original string but instead create a brand-new string object in memory. When you use the + operator to join two strings, Python allocates a new sequence containing the characters from both operands; similarly, the * operator replicates the string’s content a specified number of times, producing a fresh string. On the Certified Associate Python Programmer PCAP exam, this question tests your understanding of fundamental string properties and operations, often appearing in the “Data Types” or “String Methods” domain. A common trap is assuming strings are mutable like lists, or forgetting that repetition and concatenation always return new objects. To remember this, think of strings as sealed boxes: you can combine or copy them, but you can never change what’s inside an existing box.
This PCAP practice question tests your understanding of strings. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which TWO statements are true regarding strings in Python?
Strings can be concatenated with the + operator.
Concatenation is supported.
Strings are not sequences.
Why wrong: Strings are sequences of characters.
Strings are mutable.
Why wrong: Strings are immutable in Python.
Strings can be repeated with the * operator.
Repetition is supported.
Strings do not support indexing.
Why wrong: Strings support indexing with [].
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Strings can be concatenated with the + operator.
Option A is correct because strings in Python support concatenation using the + operator, which joins two or more strings into a single string. This is a fundamental operation for combining textual data, and it works by creating a new string object that contains the characters from both operands in sequence.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Strings can be concatenated with the + operator.
Why this is correct
Concatenation is supported.
Related concept
Read the scenario before looking for a memorised answer.
Strings are not sequences.
Why it's wrong here
Strings are sequences of characters.
Strings are mutable.
Why it's wrong here
Strings are immutable in Python.
Strings can be repeated with the * operator.
Why this is correct
Repetition is supported.
Related concept
Read the scenario before looking for a memorised answer.
Strings do not support indexing.
Why it's wrong here
Strings support indexing with [].
Common exam traps
Python Institute often tests the immutability of strings by presenting mutable-like operations (e.g., 's[0] = 'a'') as valid, and the trap here is that candidates confuse strings with lists, assuming strings can be modified in place like mutable sequences.
Detailed technical explanation
Under the hood, Python strings are stored as arrays of Unicode code points (using flexible internal representations like Latin-1, UCS-2, or UCS-4 depending on the largest character). The + operator for strings triggers the __add__ method, which allocates a new string of sufficient length and copies characters from both operands, making repeated concatenation in loops inefficient (O(n^2)) — a common pitfall where using ''.join() is preferred. The * operator repeats the string by creating a new string with the original content duplicated n times, which is implemented efficiently by the interpreter.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
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FAQ
Strings — This question tests Strings — Read the scenario before looking for a memorised answer..
The correct answer is: Strings can be concatenated with the + operator. — Option A is correct because strings in Python support concatenation using the + operator, which joins two or more strings into a single string. This is a fundamental operation for combining textual data, and it works by creating a new string object that contains the characters from both operands in sequence.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This PCAP practice question is part of Courseiva's free Python Institute certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCAP exam.
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