Lo trinh on thi chung chi IT 2026: AWS, Azure, CompTIA va cach luyen de hieu qua

Nam 2026, chung chi IT van la cach nhanh nhat de chung minh nang luc khi CV cua ban chua co nhieu du an lon. Bai viet nay tong hop lo trinh on thi cho ba nhom chung chi pho bien nhat va cach luyen de sao cho khong lang phi thoi gian.

1. Chon dung chung chi truoc khi hoc

Dung hoc dan trai. Ba huong pho bien:

• Cloud (AWS / Azure): phu hop voi backend, DevOps, SRE.
• Networking (Cisco CCNA): phu hop voi ai lam ha tang, network engineer.
• Security (CompTIA Security+): nen tang bat buoc neu muon di theo huong bao mat.

2. Lo trinh cho tung nhom

AWS Solutions Architect Associate (SAA-C03)

Bat dau tu VPC, IAM, S3, EC2 roi moi sang cac dich vu quan ly. Trong de thi, phan lon cau hoi la tinh huong: "he thong dang bi X, chon giai phap re nhat / san sang cao nhat". Chi tiet syllabus va de mau:

https://www.examcert.app/exams/aws-saa-c03/

Azure Fundamentals (AZ-900)

Day la chung chi de nhat de lam quen he sinh thai Microsoft. Khoang 2-3 tuan hoc la du. Tap trung vao mo hinh gia, SLA, va cac dich vu core:

https://www.examcert.app/exams/azure-az-900/

CompTIA Security+ (SY0-701)

De thi co ca cau hoi tinh huong (PBQ) nen chi doc ly thuyet la khong du. Nen luyen de theo tung domain:

https://www.examcert.app/exams/comptia-security-plus-sy0-701/

Cisco CCNA

Phan subnetting va routing chiem nhieu diem nhat. Nen lam lai bai tap subnetting den khi tinh nham duoc:

https://www.examcert.app/exams/ccna/

3. Cach luyen de dung

Loi pho bien nhat la lam de qua som roi hoc thuoc dap an. Cach hieu qua hon:

1. Hoc het mot domain -> lam 20-30 cau chi cua domain do.
2. Voi moi cau sai, viet lai ly do sai bang ngon ngu cua minh.
3. Chi lam full-length mock khi da phu het syllabus.
4. Muc tieu truoc khi dang ky thi that: on dinh tren 85% o 2-3 de mock lien tiep.

Bo de mien phi theo tung ky thi (co giai thich cho tung dap an) o day:

https://www.examcert.app/

Neu ban muon hoi truc tiep kieu "giai thich cau nay tai sao dap an B sai", co mot tro ly AI danh rieng cho phan on thi chung chi:

https://ai.examcert.app/

4. Mot vai kinh nghiem nho

• Dat lich thi truoc khi cam thay san sang. Deadline la dong luc that.
• Doc ky de: cac tu "most cost-effective", "highly available", "least privilege" quyet dinh dap an.
• Voi de tieng Anh, danh 5 phut dau danh dau cac cau dai de quay lai sau.
• Sau khi thi xong, ghi lai cac chu de minh yeu de con hoc tiep - chung chi chi la diem bat dau.

Chuc ban thi tot. Neu ban dang on ky thi nao, comment ben duoi de minh chia se them tai lieu.