CERTIFICATION EXAM QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS)
PLUS RATIONALES Q$A 2026 |INSTANT
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1. What is Twilio SendGrid primarily used for?
A. Social media management
B. Email delivery and marketing automation
C. Mobile app development
D. Video conferencing
Rationale: SendGrid is focused on email delivery infrastructure and marketing
campaigns.
Correct Answer: B
2. What does SMTP stand for in SendGrid context?
A. Simple Mail Transfer Protocol
B. Secure Messaging Transfer Process
C. Standard Mail Transmission Protocol
D. System Mail Transfer Package
,Rationale: SMTP is the standard protocol for sending emails.
Correct Answer: A
3. Which feature helps track email opens and clicks?
A. Analytics and tracking
B. DNS configuration
C. API keys
D. Spam filter
Rationale: Tracking features monitor engagement metrics.
Correct Answer: A
4. What is a SendGrid API key used for?
A. Designing emails
B. Authenticating applications to send emails
C. Writing subject lines
D. Storing contacts
Rationale: API keys allow secure programmatic access.
Correct Answer: B
,5. What is a “transactional email”?
A. Bulk promotional email
B. Automated email triggered by user action
C. Social media message
D. Offline message
Rationale: Transactional emails are event-triggered.
Correct Answer: B
6. What is an email campaign in SendGrid?
A. A single personal email
B. A scheduled marketing email sent to a group
C. A spam filter
D. A contact list
Rationale: Campaigns target multiple recipients.
Correct Answer: B
7. What does email deliverability refer to?
A. Writing emails
B. Successfully reaching inboxes
C. Designing templates
D. Storing emails
, Rationale: Deliverability measures inbox success rate.
Correct Answer: B
8. What is a suppression list?
A. List of active users
B. List of blocked or unsubscribed emails
C. Contact database
D. Email templates
Rationale: Suppression lists prevent unwanted sending.
Correct Answer: B
9. What is SPF in email authentication?
A. Spam Protection Filter
B. Sender Policy Framework
C. Secure Post Fix
D. System Protection File
Rationale: SPF validates sending domain.
Correct Answer: B