{"id":40536,"date":"2023-12-10T02:08:00","date_gmt":"2023-12-10T02:08:00","guid":{"rendered":"https:\/\/masterskills.org\/blog\/15-cau-hoi-phong-van-lap-trinh-vien-thuong-gap-va-goi-y-tra-loi.html"},"modified":"2023-12-13T06:28:44","modified_gmt":"2023-12-13T06:28:44","slug":"15-cau-hoi-phong-van-lap-trinh-vien-thuong-gap-va-goi-y-tra-loi","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/15-cau-hoi-phong-van-lap-trinh-vien-thuong-gap-va-goi-y-tra-loi.html","title":{"rendered":"15 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n l\u1eadp tr\u00ecnh vi\u00ean th\u01b0\u1eddng g\u1eb7p v\u00e0 g\u1ee3i \u00fd tr\u1ea3 l\u1eddi"},"content":{"rendered":"
\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ed9 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n l\u1eadp tr\u00ecnh vi\u00ean th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 tuy\u1ec3n d\u1ee5ng s\u1eed d\u1ee5ng v\u00e0 g\u1ee3i \u00fd tr\u1ea3 l\u1eddi, m\u1eddi c\u00e1c b\u1ea1n tham kh\u1ea3o \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t trong bu\u1ed5i ph\u1ecfng v\u1ea5n.<\/p>\n

C\u00e2u 1: Anh\/ch\u1ecb h\u00e3y gi\u1edbi thi\u1ec7u \u0111\u00f4i ch\u00fat v\u1ec1 b\u1ea3n th\u00e2n m\u00ecnh?<\/p>\n

\u0110\u00e2y l\u00e0 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n \u0111\u1ea7u ti\u00ean m\u00e0 b\u1ea1n s\u1ebd g\u1eb7p ph\u1ea3i d\u00f9 xin vi\u1ec7c \u1edf b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o. H\u00e3y d\u00e0nh 2 ph\u00fat \u0111\u1ec3 gi\u1edbi thi\u1ec7u ng\u1eafn g\u1ecdn c\u00e1c th\u00f4ng tin c\u00e1 nh\u00e2n nh\u01b0 h\u1ecd t\u00ean, tu\u1ed5i, tr\u01b0\u1eddng theo h\u1ecdc v\u00e0 c\u00f4ng vi\u1ec7c hi\u1ec7n t\u1ea1i\u2026 v\u1edbi nh\u00e0 tuy\u1ec3n d\u1ee5ng.<\/p>\n

C\u00e2u 2: L\u00fd do anh\/ch\u1ecb l\u1ea1i ngh\u1ec9 vi\u1ec7c \u1edf c\u00f4ng ty c\u0169?<\/p>\n

\u0110\u00e2y l\u00e0 c\u00e2u h\u1ecfi kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi nh\u1eefng b\u1ea1n \u1ee9ng vi\u00ean \u0111\u00e3 c\u00f3 kinh nghi\u1ec7m l\u00e0m vi\u1ec7c \u1edf m\u1ed9t c\u00f4ng ty n\u00e0o \u0111\u00f3. \u0110\u1ec3 c\u00f3 th\u1ec3 \u0111\u01b0a ra c\u00e2u tr\u1ea3 l\u1eddi kh\u00e9o l\u00e9o, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o trong b\u00e0i vi\u1ebft \u201cC\u00e1ch tr\u1ea3 l\u1eddi kh\u00e9o l\u00e9o cho c\u00e2u h\u1ecfi: T\u1ea1i sao b\u1ea1n ngh\u1ec9 vi\u1ec7c?\u201d.<\/p>\n

C\u00e2u 3: B\u1ea1n s\u1eed d\u1ee5ng th\u00e0nh th\u1ea1o c\u00f4ng c\u1ee5 l\u1eadp tr\u00ecnh n\u00e0o?<\/p>\n

H\u00e3y d\u1ef1a v\u00e0o v\u1ecb tr\u00ed c\u1ee7a nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u1ec3 \u0111\u01b0a ra c\u00e2u tr\u1ea3 l\u1eddi ph\u00f9 h\u1ee3p, t\u1ea5t nhi\u00ean b\u1ea1n ph\u1ea3i th\u1ef1c s\u1ef1 s\u1eed d\u1ee5ng th\u00e0nh th\u1ea1o c\u00f4ng c\u1ee5 l\u1eadp tr\u00ecnh \u0111\u00f3.<\/p>\n

C\u00e2u 4: Kh\u1ea3 n\u0103ng ph\u1ed1i h\u1ee3p v\u1edbi \u0111\u1ed9i Tester c\u1ee7a b\u1ea1n t\u1ed1t kh\u00f4ng?<\/p>\n

Developer v\u00e0 Tester l\u00e0 2 \u0111\u1ed9i c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng ty s\u1ea3n xu\u1ea5t ph\u1ea7n m\u1ec1m. L\u1eadp tr\u00ecnh vi\u00ean v\u00e0 c\u00e1c tester c\u1ea7n c\u00f3 s\u1ef1 ph\u1ed1i h\u1ee3p ch\u1eb7t ch\u1ebd v\u1edbi nhau \u0111\u1ec3 t\u1ea1o ra m\u1ed9t s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng m\u1ecdi y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n

C\u00e2u 5: B\u1ea1n th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd m\u00e3 ngu\u1ed3n n\u00e0o?<\/p>\n

\u0110\u00e2y l\u00e0 c\u00e2u h\u1ecfi \u0111\u01b0\u1ee3c nh\u00e0 tuy\u1ec3n d\u1ee5ng quan t\u00e2m khi tuy\u1ec3n l\u1eadp tr\u00ecnh vi\u00ean IT. N\u1ebfu c\u00f4ng c\u1ee5 b\u1ea1n s\u1eed d\u1ee5ng gi\u1ed1ng v\u1edbi c\u00f4ng ty h\u1ecd \u0111ang d\u00f9ng th\u00ec qu\u00e1 tr\u00ecnh l\u00e0m quen v\u1edbi c\u00f4ng vi\u1ec7c m\u1edbi sau khi tr\u00fang tuy\u1ec3n s\u1ebd nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n

B\u1ea1n n\u00ean tr\u1ea3 l\u1eddi c\u00f4ng c\u1ee5 b\u1ea1n am hi\u1ec3u nh\u1ea5t d\u00f9 n\u00f3 kh\u00f4ng \u0111\u00fang v\u1edbi c\u00f4ng c\u1ee5 c\u00f4ng ty h\u1ecd \u0111ang s\u1eed d\u1ee5ng, v\u00ec nh\u00e0 tuy\u1ec3n d\u1ee5ng s\u1ebd h\u1ecfi s\u00e2u h\u01a1n v\u1ec1 n\u00f3.<\/p>\n

C\u00e2u 6: B\u1ea1n \u0111\u00e3 t\u1eebng s\u1eed d\u1ee5ng Visual Studio hay ch\u01b0a?<\/p>\n

B\u1ea1n n\u00ean \u00f4n l\u1ea1i m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng b\u1eadc c\u1ee7a ph\u1ea7n m\u1ec1m \u0111\u1ec3 \u0111\u1ec1 ph\u00f2ng nh\u00e0 tuy\u1ec3n d\u1ee5ng h\u1ecfi chuy\u00ean s\u00e2u v\u1ec1 ph\u1ea7n m\u1ec1m n\u00e0y. N\u1ebfu kh\u00f4ng, v\u1edbi c\u00e2u h\u1ecfi n\u00e0y, b\u1ea1n ch\u1ec9 c\u1ea7n tr\u1ea3 l\u1eddi c\u00f3 ho\u1eb7c kh\u00f4ng.<\/p>\n

C\u00e2u 7: S\u1ef1 kh\u00e1c nhau gi\u1eefa c\u00e2u l\u1ec7nh Delete v\u00e0 Truncate trong Database?<\/p>\n

DELETE l\u00e0 c\u00e2u l\u1ec7nh gi\u00fap ch\u00fang ta x\u00f3a c\u00e1c b\u1ea3n ghi, nh\u01b0ng ch\u00fang ch\u01b0a th\u1ef1c s\u1ef1 bi\u1ebfn m\u1ea5t ho\u00e0n to\u00e0n. Khi c\u1ea7n thi\u1ebft, ch\u00fang ta v\u1eabn c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i l\u1ea1i n\u00f3.<\/p>\n

L\u1ec7nh TRUNCATE gi\u00fap ph\u00e2n b\u1ed5 l\u1ea1i c\u00e1c d\u1eef li\u1ec7u nh\u01b0ng sau th\u1ef1c hi\u1ec7n l\u1ec7nh n\u00e0y d\u1eef li\u1ec7u \u0111\u00f3 s\u1ebd b\u1ecb x\u00f3a b\u1ecf ho\u00e0n to\u00e0n ngay.<\/p>\n

\"Ph\u1ecfng
Ph\u1ecfng v\u1ea5n l\u1eadp tr\u00ecnh vi\u00ean. \u1ea2nh minh h\u1ecda: Internet.<\/figcaption><\/figure>\n

C\u00e2u 8: R\u1ee7i ro c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng Excel Spreadsheet v\u00e0 Data Access \u0111\u1ec3 m\u00e0 qu\u1ea3n l\u00fd c\u00f4ng vi\u1ec7c l\u00e0 g\u00ec? B\u1ea1n c\u00f3 \u0111\u1ec1 xu\u1ea5t nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n

C\u00e2u h\u1ecfi n\u00e0y gi\u00fap nh\u00e0 tuy\u1ec3n d\u1ee5ng test xem b\u1ea1n c\u00f3 k\u1ef9 n\u0103ng \u0111\u00e1nh gi\u00e1 v\u1ea5n \u0111\u1ec1 v\u00e0 c\u1eadp nh\u1eadt nh\u1eefng xu h\u01b0\u1edbng m\u1edbi hay kh\u00f4ng?<\/p>\n

\u0110\u1ec3 tr\u1ea3 l\u1eddi t\u1ed1t c\u00e2u h\u1ecfi n\u00e0y, b\u1ea1n h\u00e3y \u00f4n l\u1ea1i c\u00e1c ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n, c\u00e1ch v\u1eadn h\u00e0nh v\u00e0 ph\u00e2n t\u00edch t\u1ed5ng h\u1ee3p c\u00e1c ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd m\u00e0 c\u00e1c doanh nghi\u1ec7p th\u01b0\u1eddng s\u1eed d\u1ee5ng.<\/p>\n

C\u00e2u 9: Ph\u00e2n bi\u1ec7t optimistic locking v\u00e0 pessimistic locking nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n

V\u1edbi c\u00e2u h\u1ecfi n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 n\u00eau ra \u0111i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ee7a m\u1ed7i c\u01a1 ch\u1ebf. V\u1edbi optimistic locking, c\u00e1c giao d\u1ecbch c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e9p ho\u00e0n th\u00e0nh m\u00e0 kh\u00f4ng g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nhau. C\u00f2n pessimistic locking an to\u00e0n tuy\u1ec7t \u0111\u1ed1i, nh\u01b0ng v\u1eabn c\u00f2n m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m. T\u00f9y t\u1eebng \u1ee9ng d\u1ee5ng m\u00e0 ch\u00fang ta s\u1eed d\u1ee5ng \u0111\u1ed3ng th\u1eddi hai c\u01a1 ch\u1ebf n\u00e0y sao cho h\u1ee3p l\u00fd v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng nh\u1ea5t.<\/p>\n

C\u00e2u 10: B\u1ea1n \u0111\u00e3 \u0111\u1ecdc nh\u1eefng g\u00ec t\u1eeb c\u00e1c trang web hay blog v\u1ec1 ng\u00e0nh?<\/p>\n

\u00a0<\/div>\n

C\u00e2u h\u1ecfi n\u00e0y gi\u00fap nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u00e1nh gi\u00e1 ni\u1ec1m \u0111am m\u00ea trong l\u0129nh v\u1ef1c n\u00e0y c\u1ee7a b\u1ea1n \u1edf m\u1ee9c \u0111\u1ed9 n\u00e0o, b\u1ea1n c\u00f3 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c c\u00e1c xu h\u01b0\u1edbng ho\u1eb7c c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn kh\u00f4ng? V\u00ec v\u1eady, h\u00e3y \u0111\u01b0a ra nh\u1eefng Blog hay website m\u00e0 b\u1ea1n th\u01b0\u1eddng xuy\u00ean truy c\u1eadp \u0111\u1ec3 cho nh\u00e0 tuy\u1ec3n d\u1ee5ng th\u1ea5y b\u1ea1n th\u1ef1c s\u1ef1 y\u00eau c\u00f4ng vi\u1ec7c c\u1ee7a m\u00ecnh.<\/p>\n

C\u00e2u 11: B\u1ea1n l\u00e0m g\u00ec \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng cho s\u1ea3n ph\u1ea9m m\u00e0 b\u1ea1n Code ra?<\/p>\n

H\u00e3y \u0111\u01b0a ra c\u00e1c ti\u00eau ch\u00ed \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng cho s\u1ea3n ph\u1ea9m m\u00e0 b\u1ea1n \u0111\u00e3 code ra nh\u01b0: m\u1ee9c \u0111\u1ed9 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u00e3 \u0111\u1ec1 ra, kh\u00f4ng c\u00f3 l\u1ed7i, d\u1ec5 s\u1eeda, d\u1ec5 test, tr\u1ea3i nghi\u1ec7m t\u1ed1t…<\/p>\n

C\u00e2u 12: D\u1ef1 \u00e1n g\u1ea7n \u0111\u00e2y c\u1ee7a b\u1ea1n l\u00e0 g\u00ec v\u00e0 v\u1ecb tr\u00ed c\u1ee7a b\u1ea1n trong d\u1ef1 \u00e1n \u0111\u00f3?<\/p>\n

H\u00e3y tr\u1ea3 l\u1eddi m\u1ed9t c\u00e1ch trung th\u1ef1c nh\u1ea5t v\u1ec1 c\u00e1c d\u1ef1 \u00e1n b\u1ea1n \u0111\u00e3 x\u00e2y d\u1ef1ng ho\u1eb7c tham gia v\u1ec1 t\u00ean, m\u1ee5c \u0111\u00edch c\u1ee7a d\u1ef1 \u00e1n, n\u00f3 \u0111\u00e3 th\u00e0nh c\u00f4ng \u1edf m\u1ee9c \u0111\u1ed9 n\u00e0o, b\u1ea1n \u0111\u00e3 x\u00e2y d\u1ef1ng k\u1ebf ho\u1ea1ch \u0111\u1ec3 th\u1ef1c hi\u1ec7n n\u00f3 ra sao v\u00e0 b\u1ea1n thu \u0111\u01b0\u1ee3c th\u00e0nh qu\u1ea3 g\u00ec sau \u0111\u00f3.<\/p>\n

C\u00e2u 13: B\u1ea1n c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c theo m\u00f4 h\u00ecnh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m Agile?<\/p>\n

Agile ch\u1ec9 l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh ph\u01b0\u01a1ng ph\u00e1p t\u1ed3n t\u1ea1i l\u00fd thuy\u1ebft b\u1edfi \u0111\u1ec3 c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c theo m\u00f4 h\u00ecnh n\u00e0y c\u1ea7n th\u1eddi gian \u0111\u1ea7u t\u01b0 v\u00e0 t\u1ed1n nhi\u1ec1u c\u00f4ng s\u1ee9c ph\u00e2n t\u00edch.<\/p>\n

Do v\u1eady, n\u1ebfu b\u1ea1n ch\u01b0a l\u00e0m vi\u1ec7c theo m\u00f4 h\u00ecnh ph\u00e1t tri\u1ec3n web n\u00e0y, th\u00ec c\u00f3 th\u1ec3 n\u00f3i v\u1ec1 t\u00ednh kh\u1ea3 thi v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3.<\/p>\n

C\u00e2u 14: Anh\/ch\u1ecb c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Tool \u0111\u01b0\u1ee3c Build m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng n\u00e0o ch\u01b0a?<\/p>\n

\u0110\u1ed1i v\u1edbi m\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean c\u00f4ng ngh\u1ec7 hi\u1ec7n nay, m\u1ed9t trong nh\u1eefng t\u00ednh n\u0103ng b\u1eaft bu\u1ed9c l\u00e0 l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c tool \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng h\u00f3a, gi\u00fap kh\u00f4ng c\u1ea7n t\u1ed1n qu\u00e1 nhi\u1ec1u giai \u0111o\u1ea1n th\u1ee7 c\u00f4ng, \u0111\u1ec3 ho\u00e0n thi\u1ec7n m\u1ed9t s\u1ea3n ph\u1ea9m ph\u1ea7n m\u1ec1m.<\/p>\n

C\u00e2u 15: Khi Tester b\u00e1o c\u00e1o nh\u1eefng Bug v\u00f4 l\u00fd, b\u1ea1n s\u1ebd ph\u1ea3n \u1ee9ng nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n

B\u1ea1n c\u00f3 th\u1ec3 n\u00f3i v\u1edbi nh\u00e0 tuy\u1ec3n d\u1ee5ng r\u1eb1ng, m\u00ecnh s\u1ebd th\u1eadt b\u00ecnh t\u0129nh \u0111\u1ec3 xem x\u00e9t v\u00e0 ph\u00e2n t\u00edch v\u1ec1 nguy\u00ean nh\u00e2n \u0111\u1ed3ng th\u1eddi s\u1ebd t\u1eeb ch\u1ed1i c\u00e1c Bug v\u00f4 l\u00fd \u0111\u1ea5y. B\u1ea1n s\u1ebd n\u00f3i r\u00f5 nguy\u00ean nh\u00e2n v\u1edbi c\u00e1c tester \u0111\u1ec3 c\u00f9ng nhau gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ed9 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n l\u1eadp tr\u00ecnh vi\u00ean th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 tuy\u1ec3n d\u1ee5ng s\u1eed d\u1ee5ng v\u00e0 g\u1ee3i \u00fd tr\u1ea3 l\u1eddi, m\u1eddi c\u00e1c b\u1ea1n tham kh\u1ea3o \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t trong bu\u1ed5i ph\u1ecfng v\u1ea5n.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[452],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/40536"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=40536"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/40536\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=40536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=40536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=40536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}