{"id":49969,"date":"2023-12-17T05:28:41","date_gmt":"2023-12-17T05:28:41","guid":{"rendered":"https:\/\/masterskills.org\/blog\/system-design-interview-la-gi-7-buoc-xu-ly-phong-van-thiet-ke-he-thong-cho-dan-it.html"},"modified":"2023-12-17T05:28:41","modified_gmt":"2023-12-17T05:28:41","slug":"system-design-interview-la-gi-7-buoc-xu-ly-phong-van-thiet-ke-he-thong-cho-dan-it","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/system-design-interview-la-gi-7-buoc-xu-ly-phong-van-thiet-ke-he-thong-cho-dan-it.html","title":{"rendered":"System Design Interview L\u00e0 G\u00ec? 7 B\u01b0\u1edbc X\u1eed L\u00fd Ph\u1ecfng V\u1ea5n Thi\u1ebft K\u1ebf H\u1ec7 Th\u1ed1ng Cho D\u00e2n IT"},"content":{"rendered":"
\n

System design interview<\/strong> l\u00e0 g\u00ec? Nh\u1eefng b\u1ea1n \u0111ang h\u01b0\u1edbng t\u1edbi c\u00e1c v\u1ecb tr\u00ed nh\u01b0 k\u1ef9 s\u01b0 ph\u1ea7n m\u1ec1m, web designer, frontend developer, v.v, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1eadc senior v\u00e0 cao h\u01a1n, s\u1ebd c\u1ea7n ch\u00fa \u00fd t\u1edbi lo\u1ea1i h\u00ecnh ph\u1ecfng v\u1ea5n n\u00e0y \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau. C\u00f9ng Masterskills t\u00ecm hi\u1ec3u v\u1ec1 h\u00ecnh th\u1ee9c ph\u1ecfng v\u1ea5n n\u00e0y v\u00e0 c\u00e1ch \u0111\u1ec3 interview th\u00e0nh c\u00f4ng nh\u00e9!<\/p>\n

System design interview l\u00e0 g\u00ec?<\/strong><\/h2>\n

System design interview c\u00f3 ngh\u0129a l\u00e0 ph\u1ecfng v\u1ea5n \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, ph\u00e1t hi\u1ec7n l\u1ed7i v\u00e0 ch\u1ec9nh s\u1eeda c\u00e1c thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m quy m\u00f4 l\u1edbn. Nh\u1eefng c\u00e1i t\u00ean l\u1edbn nh\u01b0 Facebook, Google hay Amazon \u0111\u1ec1u s\u1eed d\u1ee5ng h\u00ecnh th\u1ee9c ph\u1ecfng v\u1ea5n n\u00e0y \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng x\u1eed l\u00fd v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng (scalability), b\u1ed9 nh\u1edb \u0111\u1ec7m (caching), c\u00e2n b\u1eb1ng t\u1ea3i (load balancing), b\u1ea3o m\u1eadt, v.v.<\/p>\n

Chi ti\u1ebft h\u01a1n, sau khi nh\u1eadn c\u00e2u h\u1ecfi t\u1eeb nh\u00e0 tuy\u1ec3n d\u1ee5ng, c\u00e1c \u1ee9ng vi\u00ean s\u1ebd ph\u1ea3i \u00e1p d\u1ee5ng ki\u1ebfn th\u1ee9c v\u1ec1 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u0111\u1ec3 ph\u00e2n t\u00edch, x\u00e1c \u0111\u1ecbnh l\u1ed7i v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1. T\u1eeb \u0111\u00f3, nh\u00e0 tuy\u1ec3n d\u1ee5ng s\u1ebd ch\u1ea5m \u0111i\u1ec3m xem li\u1ec7u \u1ee9ng vi\u00ean c\u00f3 th\u1ec3 th\u1eadt s\u1ef1 x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c ph\u1ea7n m\u1ec1m ch\u1ea5t l\u01b0\u1ee3ng, kh\u00f4ng l\u1ed7 h\u1ed5ng hay kh\u00f4ng.<\/p>\n

\n
\"System
System designs interview l\u00e0 ph\u1ecfng v\u1ea5n y\u00eau c\u1ea7u thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng d\u1eef li\u1ec7u.<\/figcaption><\/figure>\n<\/div>\n

C\u00e1c topic v\u00e0 c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p trong system design interview<\/strong><\/h2>\n

B\u1ea1n s\u1ebd d\u1ec5 g\u1eb7p c\u00e1c c\u00e2u h\u1ecfi v\u00e0 ch\u1ee7 \u0111\u1ec1 nh\u01b0 th\u1ebf n\u00e0o khi tham gia ph\u1ecfng v\u1ea5n system design?<\/p>\n

V\u1ec1 ch\u1ee7 \u0111\u1ec1<\/strong><\/h3>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 concept ch\u00ednh b\u1ea1n c\u1ea7n t\u00ecm hi\u1ec3u v\u00e0 l\u00e0m quen tr\u01b0\u1edbc khi \u0111\u1ebfn v\u1edbi bu\u1ed5i ph\u1ecfng v\u1ea5n:<\/p>\n

    \n
  • Caching (B\u1ed9 nh\u1edb \u0111\u1ec7m)<\/li>\n
  • Storage (L\u01b0u tr\u1eef d\u1eef li\u1ec7u)<\/li>\n
  • Replication (Nhan b\u1ea3n)<\/li>\n
  • Data partitioning techniques (K\u1ef9 thu\u1eadt ph\u00e2n v\u00f9ng d\u1eef li\u1ec7u)<\/li>\n
  • Load balancing (C\u00e2n b\u1eb1ng t\u1ea3i)<\/li>\n
  • \u0110o l\u01b0\u1eddng hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng<\/li>\n
  • API design<\/li>\n
  • Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, t\u00ednh s\u1eb5n s\u00e0ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng quy m\u00f4 l\u1edbn<\/li>\n
  • Forward and reverse proxies (Proxy chuy\u1ec3n ti\u1ebfp v\u00e0 \u0111\u1ea3o ng\u01b0\u1ee3c)<\/li>\n
  • SQL vs. NoSQL<\/li>\n<\/ul>\n

    V\u1ec1 c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h3>\n

    C\u00e1c cu\u1ed9c ph\u1ecfng v\u1ea5n thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 bao g\u1ed3m nhi\u1ec1u ch\u1ee7 \u0111\u1ec1 v\u00e0 b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb b\u1eb1ng c\u00e1ch nghi\u00ean c\u1ee9u tr\u01b0\u1edbc c\u00e1c c\u00e2u h\u1ecfi ti\u1ec1m n\u0103ng.<\/p>\n

    D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi ph\u1ed5 bi\u1ebfn nh\u1ea5t trong c\u00e1c system designs interview:<\/p>\n

      \n
    • Thi\u1ebft k\u1ebf d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef v\u00e0 chia s\u1ebb t\u1ec7p to\u00e0n c\u1ea7u nh\u01b0 Dropbox ho\u1eb7c Google Drive.<\/li>\n
    • Thi\u1ebft k\u1ebf m\u1ed9t m\u1ea1ng x\u00e3 h\u1ed9i nh\u01b0 Facebook, Instagram ho\u1eb7c Twitter.<\/li>\n
    • Thi\u1ebft k\u1ebf m\u1ed9t d\u1ecbch v\u1ee5 chat nh\u01b0 Facebook Messenger ho\u1eb7c WhatsApp.<\/li>\n
    • Thi\u1ebft k\u1ebf m\u1ed9t d\u1ecbch v\u1ee5 ph\u00e1t video to\u00e0n c\u1ea7u nh\u01b0 YouTube ho\u1eb7c Netflix.<\/li>\n
    • Thi\u1ebft k\u1ebf m\u1ed9t d\u1ecbch v\u1ee5 g\u1ecdi xe nh\u01b0 Uber ho\u1eb7c Lyft.<\/li>\n
    • Thi\u1ebft k\u1ebf tr\u00ecnh thu th\u1eadp d\u1eef li\u1ec7u web.<\/li>\n
    • Thi\u1ebft k\u1ebf m\u1ed9t c\u1eeda h\u00e0ng kh\u00f3a-gi\u00e1 tr\u1ecb.<\/li>\n
    • Thi\u1ebft k\u1ebf b\u1ed9 gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 API.<\/li>\n
    • Thi\u1ebft k\u1ebf d\u1ecbch v\u1ee5 r\u00fat g\u1ecdn URL.<\/li>\n
    • Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng thang m\u00e1y, v.v.<\/li>\n<\/ul>\n

      C\u00e1c b\u01b0\u1edbc ho\u00e0n th\u00e0nh system design interview th\u1eadt th\u00e0nh c\u00f4ng<\/strong><\/h2>\n

      N\u1ebfu b\u1ea1n c\u0169ng s\u1eafp tr\u1ea3i qua cu\u1ed9c ph\u1ecfng v\u1ea5n li\u00ean quan \u0111\u1ebfn system design, h\u00e3y c\u00f9ng Masterskills tham kh\u1ea3o 7 b\u01b0\u1edbc ng\u1eafn g\u1ecdn d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n

      B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh r\u00f5 y\u00eau c\u1ea7u<\/strong><\/h3>\n

      Khi nh\u1eadn \u0111\u01b0\u1ee3c \u201c\u0111\u1ec1 b\u00e0i\u201d cho m\u00e0n ph\u1ecfng v\u1ea5n system design, \u0111i\u1ec1u tr\u01b0\u1edbc nh\u1ea5t m\u00e0 b\u1ea1n c\u1ea7n l\u00e0m l\u00e0 hi\u1ec3u r\u00f5 c\u00e2u h\u1ecfi v\u00e0 ch\u1ee7 \u0111\u1ec1 m\u00e0 ng\u01b0\u1eddi tuy\u1ec3n d\u1ee5ng \u0111\u00e3 \u0111\u01b0a ra c\u0169ng nh\u01b0 nh\u1eefng ti\u00eau chu\u1ea9n \u0111\u1ea7u ti\u00ean khi \u0111\u1eb7t ra n\u1ec1n m\u00f3ng c\u1ee7a h\u1ec7 th\u1ed1ng. Nh\u1eefng \u0111i\u1ec3m chung m\u00e0 b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c l\u00e0:<\/p>\n

        \n
      • \u0110\u1ed1i t\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng s\u1ebd l\u00e0m g\u00ec tr\u00ean h\u1ec7 th\u1ed1ng b\u1ea1n s\u1ebd thi\u1ebft k\u1ebf<\/li>\n
      • H\u1ecd mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch g\u00ec qua h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n?<\/li>\n
      • Gi\u1ea3i ph\u00e1p c\u1ee7a b\u1ea1n s\u1ebd gi\u00fap h\u1ecd ra sao?<\/li>\n
      • T\u1ed5ng c\u1ed9ng s\u1ebd c\u00f3 kho\u1ea3ng bao nhi\u00eau ng\u01b0\u1eddi d\u00f9ng?<\/li>\n
      • H\u1ecd s\u1ebd s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng c\u00f9ng m\u1ed9t l\u00fac hay s\u1ebd truy c\u1eadp h\u1ec7 th\u1ed1ng ri\u00eang l\u1ebb?<\/li>\n<\/ul>\n
        \n
        \"system
        X\u00e1c \u0111\u1ecbnh \u0111\u00fang y\u00eau c\u1ea7u ngay t\u1eeb \u0111\u1ea7u l\u00e0 b\u01b0\u1edbc r\u1ea5t quan tr\u1ecdng.<\/figcaption><\/figure>\n<\/div>\n

        B\u01b0\u1edbc 2: \u0110\u01b0a ra \u01b0\u1edbc t\u00ednh th\u00f4<\/strong><\/h3>\n

        \u01af\u1edbc l\u01b0\u1ee3ng ban \u0111\u1ea7u (back-of-the-envelope estimation) v\u1ec1 quy m\u00f4 h\u1ec7 th\u1ed1ng b\u1ea1n s\u1ebd thi\u1ebft k\u1ebf s\u1ebd l\u00e0 b\u01b0\u1edbc \u0111\u1ec7m gi\u00fap b\u1ea1n l\u00e0m t\u1ed1t h\u01a1n trong vi\u1ec7c m\u1edf r\u1ed9ng quy m\u00f4, ph\u00e2n v\u00f9ng, c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 b\u1ed9 nh\u1edb \u0111\u1ec7m.<\/p>\n

        B\u01b0\u1edbc 3: X\u00e1c \u0111\u1ecbnh giao di\u1ec7n h\u1ec7 th\u1ed1ng<\/strong><\/h3>\n

        Ti\u1ebfp theo, b\u1ea1n n\u00ean x\u00e1c \u0111\u1ecbnh API n\u00e0o \u0111\u01b0\u1ee3c mong \u0111\u1ee3i t\u1eeb h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y s\u1ebd thi\u1ebft l\u1eadp h\u1ee3p \u0111\u1ed3ng ch\u00ednh x\u00e1c m\u00e0 h\u1ec7 th\u1ed1ng c\u1ea7n v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n kh\u00f4ng \u0111\u01b0a ra c\u00e1c y\u00eau c\u1ea7u v\u00e0 con s\u1ed1 sai l\u1ec7ch so v\u1edbi ti\u00eau chu\u1ea9n.<\/p>\n

        B\u01b0\u1edbc 4: X\u00e1c \u0111\u1ecbnh m\u00f4 h\u00ecnh d\u1eef li\u1ec7u<\/strong><\/h3>\n

        Vi\u1ec7c x\u00e1c \u0111\u1ecbnh m\u00f4 h\u00ecnh d\u1eef li\u1ec7u s\u1ebd l\u00e0m r\u00f5 c\u00e1ch d\u1eef li\u1ec7u lu\u00e2n chuy\u1ec3n gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n h\u1ec7 th\u1ed1ng kh\u00e1c nhau. T\u1eeb \u0111\u00f3 n\u00f3 s\u1ebd h\u01b0\u1edbng \u0111\u1ebfn ph\u00e2n v\u00f9ng v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u.<\/p>\n

        B\u01b0\u1edbc 5: Thi\u1ebft k\u1ebf c\u1ea5p cao<\/strong><\/h3>\n

        Ti\u1ebfp theo, b\u1ea1n c\u00f3 th\u1ec3 v\u1ebd s\u01a1 \u0111\u1ed3 kh\u1ed1i v\u1edbi 5\u20136 \u00f4 \u0111\u1ea1i di\u1ec7n cho c\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a h\u1ec7 th\u1ed1ng. B\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh \u0111\u1ee7 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 th\u1ef1c t\u1ebf t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i.<\/p>\n

        V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u thi\u1ebft k\u1ebf Tiny-URL, b\u1ea1n c\u1ea7n th\u1ea3o lu\u1eadn v\u1ec1 nh\u1eefng v\u1ea5n \u0111\u1ec1 sau:<\/p>\n

          \n
        • T\u1ea1o v\u00e0 l\u01b0u tr\u1eef h\u00e0m b\u0103m (hash) c\u1ee7a URL \u0111\u1ea7y \u0111\u1ee7\n
            \n
          • MD5 v\u00e0 Base62<\/li>\n
          • Xung \u0111\u1ed9t b\u0103m (hash collision)<\/li>\n
          • SQL ho\u1eb7c NoSQL<\/li>\n
          • L\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/li>\n<\/ul>\n<\/li>\n
          • D\u1ecbch URL \u0111\u00e3 b\u0103m th\u00e0nh URL \u0111\u1ea7y \u0111\u1ee7\n
              \n
            • Tra c\u1ee9u c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/li>\n
            • API v\u00e0 thi\u1ebft k\u1ebf h\u01b0\u1edbng t\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

              B\u01b0\u1edbc 6: Thi\u1ebft k\u1ebf chi ti\u1ebft<\/strong><\/h3>\n

              T\u1eeb \u0111\u00e2y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 hai ho\u1eb7c ba th\u00e0nh ph\u1ea7n ch\u00ednh. Ng\u01b0\u1eddi ph\u1ecfng v\u1ea5n s\u1ebd \u0111\u01b0a ra ph\u1ea3n h\u1ed3i v\u00e0 ch\u1ec9 ra nh\u1eefng ph\u1ea7n n\u00e0o c\u1ee7a h\u1ec7 th\u1ed1ng c\u1ea7n ph\u1ea3i th\u1ea3o lu\u1eadn th\u00eam. B\u1ea1n n\u00ean tr\u00ecnh b\u00e0y c\u00e1c c\u00e1ch ti\u1ebfp c\u1eadn kh\u00e1c nhau, \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a ch\u00fang, \u0111\u1ed3ng th\u1eddi gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao b\u1ea1n th\u00edch c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y h\u01a1n c\u00e1ch ti\u1ebfp c\u1eadn kia.<\/p>\n

              \n
              \u0110i t\u1edbi thi\u1ebft k\u1ebf chi ti\u1ebft h\u01a1n.<\/figcaption><\/figure>\n<\/div>\n

              B\u01b0\u1edbc 7: X\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3i quy\u1ebft t\u1eafc ngh\u1ebdn<\/strong><\/h3>\n

              Bottleneck ngh\u0129a l\u00e0 \u0111i\u1ec3m m\u00e0 t\u1ea1i \u0111\u00f3 d\u00f2ng ch\u1ea3y c\u1ee7a d\u1eef li\u1ec7u b\u1ecb suy y\u1ebfu, t\u1eafc ngh\u1ebdn. B\u1ea1n n\u00ean c\u1ed1 g\u1eafng th\u1ea3o lu\u1eadn v\u1ec1 c\u00e0ng nhi\u1ec1u n\u00fat c\u1ed5 chai (bottleneck) c\u00e0ng t\u1ed1t c\u0169ng nh\u01b0 c\u00e1c c\u00e1ch ti\u1ebfp c\u1eadn kh\u00e1c nhau \u0111\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a ch\u00fang trong h\u1ec7 th\u1ed1ng. Ch\u1eb3ng h\u1ea1n:<\/p>\n

                \n
              • C\u00f3 \u0111i\u1ec3m l\u1ed7i n\u00e0o trong h\u1ec7 th\u1ed1ng kh\u00f4ng? Nh\u1eefng b\u01b0\u1edbc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro n\u00e0y?<\/li>\n
              • C\u00f3 \u0111\u1ee7 b\u1ea3n sao d\u1eef li\u1ec7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ng\u01b0\u1eddi d\u00f9ng v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 n\u1ebfu m\u1ed9t v\u00e0i m\u00e1y ch\u1ee7 b\u1ecb ng\u1eebng ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng?<\/li>\n
              • Hi\u1ec7u su\u1ea5t c\u1ee7a d\u1ecbch v\u1ee5 \u0111\u01b0\u1ee3c theo d\u00f5i nh\u01b0 th\u1ebf n\u00e0o? C\u00f3 c\u1ea3nh b\u00e1o tr\u1ef1c ti\u1ebfp khi c\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng b\u1ecb l\u1ed7i ho\u1eb7c hi\u1ec7u su\u1ea5t xu\u1ed1ng c\u1ea5p?<\/li>\n<\/ul>\n

                B\u1eb1ng c\u00e1ch xem x\u00e9t c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 v\u1eady, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 th\u1ed1ng b\u1ea1n thi\u1ebft k\u1ebf trong system design interview<\/strong> \u0111\u01b0\u1ee3c trang b\u1ecb t\u1ed1t \u0111\u1ec3 x\u1eed l\u00fd nh\u1eefng r\u1ee7i ro v\u00e0 ti\u1ebfp t\u1ee5c ph\u1ee5c v\u1ee5 ng\u01b0\u1eddi ti\u00eau d\u00f9ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

                System design interview l\u00e0 g\u00ec? Nh\u1eefng b\u1ea1n \u0111ang h\u01b0\u1edbng t\u1edbi c\u00e1c v\u1ecb tr\u00ed nh\u01b0 k\u1ef9 s\u01b0 ph\u1ea7n m\u1ec1m, web designer, frontend developer, v.v, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1eadc senior v\u00e0 cao h\u01a1n, s\u1ebd c\u1ea7n ch\u00fa \u00fd t\u1edbi lo\u1ea1i h\u00ecnh ph\u1ecfng v\u1ea5n n\u00e0y \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau. C\u00f9ng Masterskills t\u00ecm hi\u1ec3u v\u1ec1 h\u00ecnh th\u1ee9c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[181],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/49969"}],"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=49969"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/49969\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=49969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=49969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=49969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}